exam review. what is the first element in the periodic table? a. nitrogen b.uranium c.hydrogen...
TRANSCRIPT
![Page 1: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/1.jpg)
EXAM REVIEW
![Page 2: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/2.jpg)
WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE?
a. Nitrogenb.Uraniumc.Hydrogend.Oxygen
![Page 3: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/3.jpg)
TRUE OR FALSE: AN ELECTRON CARRIES A POSITIVE CHARGE
a. Trueb.False
![Page 4: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/4.jpg)
WHAT IS THE CHEMICAL SYMBOL FOR SILVER?
a.Sib.Agc.Aud.Sv
![Page 5: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/5.jpg)
WHAT IS THE ATOMIC MASS OF POTASSIUM?
a. 12.011gb. 15.99gc. 39.0
![Page 6: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/6.jpg)
WHAT IS H20 MORE COMMONLY KNOWN AS?
a.Waterb.Hydrogen Peroxidec.Acid
![Page 7: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/7.jpg)
TRUE OR FALSE: THIS EQUATION IS BALANCED: C + O2 CO2
a. Trueb. False
![Page 8: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/8.jpg)
AS ELEMENTS MOVE DOWN THE PERIODIC TABLE, AND ACROSS THE PERIODIC TABLE, WHAT HAPPENS TO THE
ATOMIC MASS?
a.Nothingb.It gets smallerc.It stays the samed.It gets bigger
![Page 9: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/9.jpg)
Calculate the mass of 3.71 x 1026 atoms of silver.
A6.65 * 104 g
B 4.00 * 1028 g
C 2.07 * 1048 g
D6.16 * 102 g
E none of these
![Page 10: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/10.jpg)
WHAT IS THE MOLAR MASS OF NITROGLYCERIN, C3H5(NO3)3?
A) 179 g/mol
B) 227 g/mol
C) 199 g/mol
D) 185 g/mol
E) none of these
![Page 11: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/11.jpg)
1.25 G OF CA REPRESENTS HOW MANY MOLES?
A) 32.1 mol
B) 5.01 * 101 mol
C) 7.54 * 1023 mol
D) 0.0312 mol
E) none of these
![Page 12: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/12.jpg)
3.78 MOLES OF WATER WEIGHS
A) 2.10 * 10–1 g
B) 68.1 g
C) 4.77 g
D) 21.9 g
E) 73.8 g
![Page 13: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/13.jpg)
HOW MANY ATOMS ARE THERE IN 81.4 G OF NICKEL?
A) 1.39
B) 4.78 * 103 C) 8.35 * 1023
D) 4.90 * 1025
E) none of these
![Page 14: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/14.jpg)
FIND THE PERCENT COMPOSITION OF: CuBr2
![Page 15: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/15.jpg)
FIND THE PERCENT COMPOSITION OF: NaOH
![Page 16: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/16.jpg)
FIND THE PERCENT COMPOSITION OF: (NH4)2S
![Page 17: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/17.jpg)
75% CARBON, 25% HYDROGEN
![Page 18: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/18.jpg)
52.7% POTASSIUM, 47.3% CHLORINE
![Page 19: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/19.jpg)
22.1% ALUMINUM, 25.4% PHOSPHORUS, 52.5% OXYGEN
![Page 20: EXAM REVIEW. WHAT IS THE FIRST ELEMENT IN THE PERIODIC TABLE? a. Nitrogen b.Uranium c.Hydrogen d.Oxygen](https://reader036.vdocuments.mx/reader036/viewer/2022070323/56649da25503460f94a8f007/html5/thumbnails/20.jpg)
13% MAGNESIUM, 87% BROMINE