p eriodic t able r eview. 1. true or false nonmetals are brittle and do not conduct electricity true
TRANSCRIPT
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PERIODIC TABLE REVIEW
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1. True or FalseNonmetals are brittle and do not conduct electricity
True
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2. What are the trends of radius:
Left to Right
Decrease
Top to bottomIncrease
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3. What are the trends of Ionization Energy:
Left to Right
Increase
Top to bottomDecrease
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4. Which element has the larger radius? Ca or Ra
Ra (Radium)
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5. What is the oxidation number of the halogen family?
-1
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6. What element has the higher ionization energy? Cs or Rn
Rn (radon)
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7. Which family can be found as elements in nature?
Noble gases
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8. What family contains radioactive elements?
Actinoids
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9. What is the name given to the elements that can behave like a metal or a nonmetal depending on the conditions?
metalloids
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10. Name the Metalloids
Boron, Silicon, Germanium, Arsenic, Antimony and Tellurium
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11. Dobereiner grouped ____ elements together and called them ________
Threes Triads
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12. The modern periodic table is arranged by what property?
Atomic Number
(new periodic law)
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13. What metallic family follows the transition metals on the periodic table?
Post transition metals
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14. What is the most metallic element on the periodic table?
Francium
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15. What is the most reactive metallic family on the periodic table?
Alkali metals
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16. Which element has the smaller radius? Be or Ba
Be (beryllium)
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17. John Newlands discovered that chemical and physical properties repeated every 8 elements. This is called
Law of Octaves
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18. What is the most nonmetallic element on the periodic table?
Fluorine
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19. What is the energy needed to remove an electron called?
Ionization energy
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20. How many valence shell electrons do the alkaline earth metals have?
2
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21. Who made the first periodic table?
Mendeleev
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22. What is electronegativity and what is the trend from left to right?
Attractiveness - increases
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23. Name the 2 elements that are liquid at room temperature?
Mercury (Hg) and Bromine (Br)
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24. What is the oxidation # for the “f” block?
+3
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25. Are Ca2+ and Ne isoelectronic?
No
Are B3+ and Li+ isoelectronic? Yes
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26. What family has all three states of matter?
Halogens
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27. Metals make what kind of ions? Do they gain or lose electrons?
Cations – lose electrons
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28. Where are the inner transition metals on the periodic table?
4f Lanthanoids and 5f Actinoids
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29. Which has a larger radius an atom or a cation?
An atom
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30. Which has a larger radius an atom or an anion?
An anion