1

Chemistry 2013Chapter 1-6 Final Review Questions

1. How many significant figures are there in 4.000 x 10 ^ -11?

A) 2

B) 4

C) 10

D) 1

E) 3

2. Multiply this number, using the correct number of significant figures in your answer:

512 x 0.0081.

A) 1

B) 4.1

C) 15.5

D) 4.19

E) 00.2

3. Convert to degrees Celsius and to Kelvin: 320*F.

A) -18*C, 224*K

B) 165*C, 420*K

C) 230*C, 50*K

D) 100*C, 460*K

E) 160*C, 433* K

4. Determine the change it undergoes: Making ammonia from nitrogen and hydrogen.

A) physical

B) kinetic

C) chemical

D) matter

E) potential

5. What is the mass number of an atom containing: 58 protons, 58 electrons, and 78 neutrons?

A) 136

B) 12

C) 140

D) 125

E) 115

6. How many neutrons are in Oxygen-16 isotope of oxygen?

A) 16 + 8 = 8

B) 16 - 8 = 8

C) 16 - 4 = 12

D) 16 - 8 = 16

E) 16 + 8 = 24

7. Which of the following is not a quantity used to characterize electromagnetic radiation?

A) frequency

B) amplitude

C) speed

D) charge

E) wavelength

8. How many electrons are there in a half-filled d subshell?

A) 10

B) 2

C) 0

D) 3

E) 5

9. Which of the following sets of elements is in the CORRECT order of increasing atomic radius?

A) B, AL, Ga

B) As, S, P

C) P, S, C

D) O, Pb, K

E) I, Br, Cl

10. The second period of the periodic table contains:

A) the s-block elements only

B) the d-block elements only

C) the s, d, and p-block elements

D) the s and p-block elements only

E) the p-block elements only

Ch. 1

1.) The unit name and symbol for voltage is _____________.

a. Watt, W

b. Volt, V

c. Hertz, Hz

d. Coulomb, C

e. Joule, J

2.) (4.00)(5.00 * 10^3) = ?

a. 20,000

b. 2,000

c. 2.00 * 104d. 2.00*103e. 2.00*10-3Ch. 2

1.) What is 57 C in Kelvin?

a. 108

b. 330

c. -216

d. 0

e. 327

2.) Convert 480. J to Cal.

a. 115 Cal

b. 1.15 Cal

c. 1 Cal

d. 100 Cal

e. 4.8 Cal

Ch. 3

1.) 5022Ti ( ? in beta decay

a. 0-1 e + 5023 V

b. 0-1 e + 5022 Sc

c. 42H + 4620 Ca

d. 42H + 5424 Cr

e. 0-1 e + 5021 Sc

2.) 12C has a mass of 12 and a % abundance of 98.89. 13C has a mass of 13.003 and a percent abundance of 1.11%. Find the atomic mass.

a. 12.01 g

b. 25.003 g

c. 11.22 g

d. 1.003 g

e. 12 g

Ch. 4

1.) What is the maximum number of electrons that can be held in a d orbital?

a. 2

b. 4

c. 10

d. 14

e. 6

2.) If red light has a wavelength of 750 nanometers, what is its energy?

a. 4.97 * 10-19b. 5 * 10-19

c. 1.989 * 10-25d. 2 * 10-25e. 4.97 * 1019

Ch. 5, 6

1.) Arrange Lithium, Carbon, and Selenium from biggest to smallest atomic radius size.

a. Li, C, Se

b. Se, Li, C

c. C, Se, Li

d. Li, Se, C

e. Se, C, L

2.) According to the early method of finding atomic masses, based on Dobereiners triads, what would the atomic mass of bromine be if the triple is chlorine, bromine, and iodine?

a. 81.2 g

b. 79.9 g

c. 35.5g

d. 126.9 g

e. 80.7 g

Chapter 1

1. Round 8.382 to 2 significant digits.

A. 8.3

B. 8.2

C. 8.38

D. 6.0

E. 10.0

2. How many milligrams is 234 kilograms?

A. 234,000,000

B. 2,340

C. 23,400

D. 23

E. 234,000

Chapter 2

1. What is the unit for energy?

A. Farenheit

B. Joule

C. Kilo

D. Mol

E. Gram

2. Convert 32 degrees Celsius to Kelvin.

A. 300 K

B. 100 K

C. 315 K

D. 305 K

E. 250 K

Chapter 3

1.What is the definition of an isotope?

A. An electron with a negative charge

B. An electron with a positive charge

C. An atom with no nucleus.

D. Another name for a neutron.

E. An electron with a slight electrical charge.

2. Na undergoes Alpha decay.

A. Zn

B. Ca

C. Na

D. Mg

E. Si

Chapter 4

1.What is the frequency of a wave?

A. The length.

B. The wavelength.

C. How fast the waves move up and down.

D. The amplitude.

E. The type of wave.

2.What is the electron configuration for Carbon? (C)

A. 1s2

B. [He]2s2 2p6

C. [He[ 2s2 2p2

D. 1s1

E. [Na]3s13p1

Chapters 5 and 6

1. Which of these is a metalloid?

A. Si

B. Zn

C. Ag

D. Hg

E. He

2. How many valence electrons does Ne have?

A. 4

B. 5

C. 6

D. 7

E. 8

Ch.1

1) The scientific method consists of five steps before coming up with a theory, which one is the first step?

a. conclusion

b. hypothesis

c. question

d. observation

e. experimentAnswer: d, observation

2) Convert this number to scientific notation: 0.00225

a. 0.225

b. 2.25 x 10

c. 2.25 x 10?

d. 22.5 x 10

e. 22.5 x 10?Answer: c, 2.25 x 10?

Ch.2

1) Which of the following is not a pure substance?

a. water

b. milk

c. hydrogen

d. oxygen

e. nitrogenAnswer: b, milk

2) Which of the following is an example of a chemical change in matter?

a. crushing a can

b. cutting a piece of paper

c. cooking food

d. melting candle wax

e. freezing water

Answer: c, cooking food

Ch.3

1) Who first proposed that matter is composed of tiny, indivisible particles?

a. Democritus

b. Aristotle

c. Dalton

d. Franklin

e. Rutherford

Answer: a, Democritus

2) A hydrogen atom has a charge of:

a. +2

b. -2

c. +1

d. -1

e. 0Answer: e, 0

Ch.4

1) What is the electron configuration for Sn?

a. Sn50e?

[Kr]4d10 5p2

b. Sn50e?

[Kr]4d10 5p1

c. Sn50e?

[Kr]4d10 3p4

d. Sn50e?

[Kr]3d10 5p3

e. Sn50e?

Answer: a, Sn

50e?

[Kr]4d10 5p2

2) The ______ of a wave tells how fast the wave oscillates up and down.

a. speed

b. mass

c. frequency

d. wavelength

e. electromagnetic radiation

Answer: c, frequency

Ch.5,6

1) What is a property of metal?

a. silver

b. dull

c. doesn't conduct electricity

d. ductile

e. brittle

Anwer: d, ductile

2) How many valence electrons does B have, and what is the charge?

a. 3e?, -4

b. 3e?, -3

c. 3e?, -2

d. 3e?, -1

e. 3e?, 0

Answer: b, 3e?, -3

Chapter 1

1. Round 56 km to 1 significant digit.

a) 5.6 b) 56. c) 60 d)60. e) 6.0

2. The density of Mercury is 13.6 g/cm3; the measured density of mercury in an experiment is 12.8 g/cm3, what is the percent error?

a) 5.88% b) 7.0% c) -5.88% d)-7.0% e) 5.0%

Chapter 2

3. 1 calorie = ? Joule

a) 41.8 b) 4.18 c) 1000 d) .418 e) 100

4. Convert 467 K to Celsius degrees.

a) 194C b) 740C c) -194C d) -740C e) 19.4C

Chapter 3

5. Calculate the atomic mass for the element Carbon if there are two isotopes: 12-C (98.89% abundance), 13-C (1.11% abundance).

a) 12.01 b) 12.01 c) 28.01 d) 25 e) 100

6. How many neutrons does 3717Cl have?

a) 17 b) 21 c) 20 d) 37 e) 54

Chapter 4

7. Write the noble gas electron configuration notation for Cl.

a) [Ne] 3s2 3p5 b) [Ne] 2s2 3p5 c) [Ne] 3s2 3p6 d) [Ne] 3s3 2p5 e) [Ne] 4s2 3d2

8. Determine the energy of a 410 nm wavelength photon (h = 6.63x10-34 J s).

a) 4.01x10-9 J b) 4.85x1019 J c) 4.85x10-19 J d) 4.01x109 J e) 4.85x10-10 J

Chapter 5 & 6

9. Arrange the following atoms from the smallest to the largest: S, Ca, and Cl.

a) Ca, S, Cl b) S, Cl, Ca c) S, Ca, Cl d) Cl, Ca, S e) Ca, Cl, S

10. How many valence electrons does Halogen Group have? What charge do they have when they form a compound?

a) 7, +1 b) 7, -1 c) 7, +2 d) 2, -1 e) 2, +1

Answer Key

1. C 2. A 3. B 4. A 5. A 6. C 7. A 8. C 9. E 10. B

Ch.1

1. How many significant digits are in the measurement 0.005205 g?

a. two

b. three

c. four

d. five

e. six

2. The density of mercury is 1.80g/cm^3. The measured density is 1.46 g/cm^3. Calculate the percent error.

a. -19%

b. 20%

c. 19%

d. 20%

e. 15%

Ch. 2

1. What does the atomic number convey?

a. number of protons

b. number of electrons

c. the mass of the nucleus

d. the number of protons and electrons

e. the number of neutrons

2. Find the atomic mass. Isotope carbon has a mass of 12 and % abundance of 98.89%. Isotope of another carbon has a mass of 13.003 and a % abundance of 1.11%.

a. 1.11%

b. 100%

c. 12.01%

d. 13.03%

e. .1201%

Ch.3

1. A positive charge will

a. attract another positive charge

b. repel another positive charge

c. repel a negative charge

d. neither attract nor repel a negative charge

e. attract a positive and a negative charge

2. Magnesium lost 2 electrons. How many protons? Electrons?

a. 10 protons, 11 electrons

b. 12 protons, 10 electrons

c. 9 protons, 15 electrons

d. 12 protons, 9 electrons

e. 11 electrons, 12 protons

Ch.4

1. The lowest sublevel in each principal energy level is represented by the symbol

a. f

b. p

c. s

d. d

e. x

2. What is the electron configuration for phosphorus?

a. 1s22s22p63s23p3

b. 1s22s22p63s23p5

c. 1s22s23p63s23p3

d. 1s22s22p63s24p3

e. 1s22s23p64s23p3

Ch. 5/6

1. The nonmetals

a. are good conductors of electricity

b. are ductile and malleable

c. form soft solids

d. have diverse physical properties

e. not gases at room temperature

2. Nitrogen-7 electrons, Sulfur-16 electrons, Sodium-11 electrons. Biggest atom? Most electromagnetic? Most valence electrons?

a. N, Na, S

b. Na, S, N

c. Na, N, S

d. S, N, Na

e. S, Na, N

Chapter 1

1. 14900 cm = ______ km

a) 149 km

b) 0.0149 km

c) 0.149 km

d) 1.49 km

e) 14.9 km

2) 12.4 round to the least number of significant digits

X 13.00000

a) 161

b) 162

c) 162.0

d) 160

e) 161.0

Chapter 2

3. What type of change is ice melting?

a) phase change

b) physical change

c) Mr. Lees change

d) chemical change

e) matter change

4. 20 ( C = ____K

a) 120 K

b) 273 K

c) 293 K

d) 290 K

e) 11 K

Chapter 3

5. Calculate the number of neutrons 12 C

a) 7 neutrons

b) 7 neutrons

c) 0 neutrons

d) 18 neutrons

e) 6 neutrons

6. What is the half-life of 99Tc if a 500g sample decays t0 62.5 in 639,000 years?

a) 6.39 years

b) 6,660,000 years

c) 221,000 years

d) 213,000 years

e) 200,000 years

Chapter 4

7. What is the maximum number of electrons sublevel can have?

a) 8 e-

b) 12 e-

c) 11 e-

d) 9 e-

e) 7 e-

8. What is the Electron Configuration for Ar?

a) 1s22s22p63s23p6 b) 1s23p6c) 1s2s22p6d) 1s22s21p63s1e) 1s2Chapter 5/6

9. Which of the following is a property of a metal?

a) dull

b) brittle

c) malleable

d) does not conduct electricity

e) is used to make wood

10. Which of the following elements has 2 valence electrons and the smallest atomic radius?

a) Sr

b) Ca

c) Ge

d) C

e) Ra

Chapter 1

1. How many kilometers are in 320000 cm?

a) 3.2 km

b) 32 km

c) 320km

d) .32km

e) 0.032km

2. Solve and then round to the significant digit, 13.26-7.8253

a) 5.4347

b) 5.43

c) 5.434

d) 5.0

e) 5.435

Chapter 2

1. __________ is the energy of position.

a. Kinetic Energy

b. Potential Energyc. Calvin

d. Thermal Energy

e. Heat

2. An example of a chemical change is

a. Boiling water

b. Cutting hair

c. Cutting paper

d. Scrambling eggse. Heating soup

Chapter 3

1. __________ had the first idea of an atom.a. Thomson b. Bohrc. Dalton

d. Rutherforde. Boggle

2. 212 Fr goes through alpha decay.

a. 227 Ac89b. 261Rf104c. 208 At85d. 209 Bi83e. 222 Rn86Chapter 4

1. The d-block consists of a. Transition metalsb. Non metalsc. Noble gasesd. Hydrogen groupe. Lanthanide series

2. The electron configuration for Ar is..a. 1S22p6b. 1S2 2S2 2P6 3S2 3P6c. 1S2 2P6 2S2 d. 3S2 3P6e. 3P6 3S2 2P6 2S2 1S2Chapter 5-6

1. What is the charge of an element in-group five?a. + 3b. 3

c. +2d. 2e. +12. Oxygen is most likely to ______ a valence electron.a. Gain 1 electronb. Lose 1 electronc. Gain 2 electron

d. Lose 2 electronse. ShareChapter 1

Easy: What is one of the units of measurement for temperature?

A). meter

B). kelvin

( correct answer

C). liter

D). gram

E). mole

Med/Hard: What is the formula for mass in terms of density and volume?

A). mass/volume= density

(correct answer

B). density/mass= volume

C). volume/mass= density

D). volume X mass= density

E). density X mass= volume

Chapter 2

Easy: What is the conversion for Celcius to Kelivn?

A). K= 273 C

B). K= 273/C

C). K= C- 273

D). K= 273 + C

( correct answer

E). K= 273 X C

Med/Hard: Which of the following is a chemical change?

A). Ice melting to water

B). Candle wax being burned

C). Paper burning

(correct answer

D). Breaking diamonds

E). Mixing water and oil

Chapter 3

Easy: Which of these reactions is not a nuclear reaction?

A). Alpha Decay

B). Chemical Reaction

(correct answer

C). Gamma Radiation

D). Beta Decay

E). Gamma Reaction

Med/Hard: What is the atomic number of Hydrogen?

A). 1.008

B). 1.0079

C). 0

D). 1

( correct answer

E). 4.0026

Chapter 4

Easy: Which is not a part of the Electromagnetic Spectrum?

A). X-rays

B). Radio Waves

C). UV rays

D). Infared

E). Beta Waves

( correct answer

Med/Hard: What is the maximum number of electrons in energy level 4?

A). 1

B). 18

C). 32

(correct answer

D). 8

E). 24

Chapter 5/6

Easy: What is not a property of a metal?

A). brittle

( correct answer

B). shiny

C). ductile

D). malleable

E). conducts electricity and heat

Med/Hard: Which group in the periodic table has a charge of -3?

A). group 3

B). group 5

( correct answer

C). group 4

D). group 8

E). group 7

Chapter 1

1. 59200mg = _________kg?

a. 5.9200

b. .59200

c. 59.200

d. .0592(correct answer

e. 592.00

2. The density of Br is 1.53 g/cm3 . The measured density is 1.82 g/cm3 . What is the percent error?

a. 30 %

b. 45 %

c. 19 % (correct answer

d. 35%

e. 20%

Chapter 2

1. Convert 100 degrees Celcius to Kelvin.

a. 373 K(correct answer

b. 173 K

c. 372 K

d. 172 K

e. 374 K

2. 13 Cal. + 20 Cal. = ______Joules?

a. 130.94 J

b. 100.94 J

c. 1000.94 J

d. 127.94 J

e. 137.94 J(correct answer

Chapter 3

1. What is the difference between an ion and an atom?

a. atoms are charged particles and ions are neutral

b. ions are charged particles and atoms are neutral(correct answer

c. there is no difference between ions and atoms

d. ions only have electrons and atoms have electrons and protons

e. ions only have protons and atoms have electrons and protons

2. What is the atomic mass for Carbon?

a. 10.01

b. 12.01(correct answer

c. 11.01

d. 13.01

e. 0.01

Chapter 4

1. Which one is not apart of the Electromagnetic Spectrum?

a. radio wave

b. micro wave

c. UV light

d. Invisible light(correct answer

e. Infrared light

2. Purple light has a wavelength of 400 nm. What is its Energy?

a. 5.00 * 10-34 J

b. 5.00 * 10-19 J

c. 4.97 * 10-19 J(correct answer

d. 4.33 * 10-34 J

e. 4.97 * 10-34 J

Chapter 5,6

1. Group 1 on the periodic table has the name _______________

a. Halogen

b. Boron

c. Alkali Metals(correct answer

d. Alkali Earth Metals

e. Noble Gases

2. Group 5 has how many valence electrons and carries what charge?

a. 3 e- , -3 charge

b. 5 e- , -3 charge

c. 5 e- , -2 charge

d. 5 e- , +3 charge(correct answer

e. 5 e- , -1 charge

Chapter 1

1. Complete the metric conversion: 9088 mg = ?

a) 0.9088 gb) 9.088 gc) 0.9088 kgd) 9.088 cge) 9.088 kg

2. Calculate with the appropriate significant digits: 5.98(9.06476) = ?

a) 54.2072648b) 54.2073c) 54.21d) 54.2

e) 54

Chapter 2

1. What are the units used for energy?

a) Celsius and Kelvinb) Celsius and joulesc) Kelvin and joules

d) Kelvin and caloriese) calories and joules2. 40C = ? K

a) 313 K

b) -233 Kc) 40 K

d) 167.2 Ke) 9.57 K

Chapter 3

1. What makes up the nucleus of an atom?

a) protons

b) neutronsc) electrons

d) protons and neutronse) protons and electrons

2. Which of the following is not found on the periodic table?

a) atomic #

b) mass #c) atomic mass

d) atomic # and mass #e) atomic mass and atomic #

Chapter 4

1. Which is not a rule for electron configuration?

a) electron will fill up the lowest energy orbitals first

b) there is a maximum of two electrons per orbital

c) when there are equal energy orbitals, electrons will fill up all the empty orbitals first

d) electrons will first pair up before filling all the empty orbitalse) after filling up the empty orbitals, electrons will pair up with opposite spins

2. What is the Noble Gas Electron Configuration for Si?

a) [Ar] 3s2 3p2b) [Ar] 3s2 3d2

c) [Ar] 3s2 3d10 3p2d) [Ne] 3s2 3p2e) [Ne] 3s2 3d2Chapter 5, 6

1. Which of the following is not a metalloid?

a) Al

b) Si

c) Ge

d) As

e) Sb

2. Identify the biggest, according to the ionic radii trend:

a) F+

b) C2-

c) B3-

d) N-

e) Ne2+Chapter 1

1. 1000m = _______ km

A. 10 km

B. 0.1 km

C. 1 km

D. 397 km

E. 100 km

2. How many significant digits are there in 13000.0?

A. 2

B. 6

C. 5

D. 1

E. 13

Chapter 2

3. 34 Cal = _______ J

A. 142.256 J

B. 142,256 J

C. 3.4 J

D. 34,000 J

E. 68 J

4. Mercury becomes a solid at _______ *C

A. 39*C

B. 357*C

C. 57*C

D. 8*C

E. 23*C

Chapter 3

5. A (an) _______ is the smallest particles of an element that retains the chemical identity of that element

A. Cell

B. Proton

C. Neutron

D. Electron

E. Atom

6. If one atom of carbon with a mass number of 12 has a fractional abundance of 98.89% while another atom of carbon with a mass number of 13 has a fractional abundance of 1.1%, what is the average atomic mass of carbon?

A. 12.5

B. 12.3

C. 12.01

D. 12.99

E. 13

Chapter 4

7. An atomic _______ is a region around the nucleus of an atom where an electron with a given energy is likely to be found.

A. Density

B. Model

C. Orbital

D. Sublevel

E. Diagram

8. What is the electron configuration of Na+?

A. 1s2 2s2 2p6 3s1

B. 1s2 2s2

C. 1s2 2s2 2p6

D. 1s2 2s2 2p2 3s2

E. [Ne]

Chapters 5-6

9. Aluminum is classified as a _______.

A. Metal

B. Nonmetal

C. Semimetal

D. Cell

E. Family metal

10. The metals that are _______ are found in the two column s-block of the periodic table.

A. Least reactive

B. Most metal

C. Least metal

D. Most reactive

E. Neutral

1 Round 1000 into 2 significant digits.

(a) 1.0 * 10

(b) 10.0 * 10

(c) 1.0 * 10

(d) 10.0 * 10

(e) 1000

Answer: (c)

2 Density of mercury 1.80 g/cm, the measured density is 1.46 g/cm. Calculate the percent error.

(a) 17%

(b) 18%

(c) 19%

(d) 20%

(e) 21%

Answer: (c)

Chapter 2

1 How many J is there in 36.2 cal?

(a) 147

(b) 148

(c) 149

(d) 150

(e) 151

Answer: (e)

2 Which of the following is/are NOT physical change?

(1) Sugar dissolves in water

(2) Frying an egg

(3) Boiling water

(a) 1 only

(b) 1, 2 only

(c) 2, 3 only

(d) 2 only

(e) All of the above

Answer: (d)

Chapter 3

1 Calculate the atomic mass according the following information.

Mass% Abundance

35Cl34.96975.53%

37Cl36.96624.47%

(a) 34.21

(b) 35.46

(c) 32.02

(d) 35.26

(e) 34.56

Answer: (b)

2 The half life of 42K is 12.4 hours. How much of a 300g sample is left after 62.0 hours?

(a) 9.1

(b) 9.2

(c) 9.3

(d) 9.4

(e) 9.5

Answer: (d)

Chapter 4

1 If yellow light is 450nm, what is the frequency?

(a) 6.67 * 10^14 s-1

(b) 6.50 * 10^14 s-1

(c) 6.43 * 10^14 s-1

(d) 6.37 * 10^14 s-1

(e) 6.29 * 10^14 s-1

Answer: (a)

2 If purple color is 410nm, calculate the energy.

(a) 3.02 * 10 ^ -17 J

(b) 3.04 * 10 ^ -19 J

(c) 3.05 * 10 ^ -18 J

(d) 3.03 * 10 ^ -18 J

(e) 3.03 * 10 ^ -19 J

Answer: (e)

Chapter 5, 6

1 Which of the following have the most valence electrons?

(1) Strontium

(2) Antimony

(3) Germanium

(a) 1 only

(b) 2 only

(c) 3 only

(d) 1, 3 only

(e) 2, 3 only

Answer: (b)

Chapter One:

1. What is 6725g in kg?

a) 6.725 kg

b) .672 kg

c) .6725 kg

d) 67.25 kg

e) .673 kg

2. What is the percent error if the density of mercury is 1.86g/cm3 and the measured density is 1.52g/cm3?

a) -18%

b) 82%

c) 18%

d) 22%

e) 104%

Chapter Two:

3. According to the law of conservation of energy, energy:

a) can be created, but not destroyed and can be converted from one form to another.

b) cannot be created and cannot be destroyed and cannot be converted from one form to another.

c) cannot be created, but can be destroyed and can be converted from one form to another.

d) can be created and destroyed and cannot be converted from one form to another.

e) cannot be created or destroyed and can be converted from one form to another.

4. How many Calories are equal to 56 Joules?

a) 13.40 Cal

b) .06 Cal

c) 13,397.13 Cal

d) .013 Cal

e) 234.08 Cal

Chapter Three:

5. How many protons, electrons, and neutrons does Oxygen have?

a) 7 protons, 7 electrons, and 9 neutrons

b) 16 protons, 16 electrons, and 8 neutrons

c) 8 neutrons, 8 electrons, and 16 protons

d) 4 protons, 4 electrons, and 4 neutrons

e) 8 protons, 8 electrons, and 8 neutrons

6. How much of a 750 g sample of 42K is left after 62.0 hours if its half life is 12.4 hours?

a) 5 g

b) 23.4 g

c) 60.483 g

d) 750 g

e) 11.7 g

Chapter Four:

1. What is the electron configuration for tin?

a) [Ar] 4s2 3d10 4p5 5s2 4d10 5p2

b) [Kr] 5s2 4d10 5p2

c) [Ar] 4s2 4d2

d) [Kr] 5s2 5d10 5p2

e) [Ar] 4s2 3d2

2. How much energy does red light with a wave length of 750 nm have?

a) 2.652 x 10-19 J

b) 8.84 x 10-28 J

c) 1.989 x 10-25 J

d) 2.652 x 1049 J

e) 2.652 x 10-28

Chapter Five and Six:

1. Which of these is NOT a property of metals?

a) luster, shiny

b) malleable

c) ductile

d) cold

e) conductor of electricity

2. Which atom is the biggest?

a) Li

b) P

c) Ge

d) Mg

e) He