1. !
1. What is an electron in the highest energy level of an atom called? A. Cation B. Anion C. Valence electron D. Core electron

2. What is an atom with a negative charge called?
A. Cation
B. Anion
C. Valence electron
D. Core electron

3. What is an atom with a positive charge called?
A. Cation
B. Anion
C. Valence electron
D. Core electron

4. What type of bond holds oppositely charged ions together?
Ionic bond
Metallic bond
Covalent bond
Polar bond

5. 5. What type of bond is formed by metal ions and a “sea of electrons”?
Ionic bond
Metallic bond
Covalent bond
Polar bond

6. What type of ion (positive or negative) consists of a single atom. (Ex
What type of ion (positive or negative) consists of a single atom? (Ex. Mg2+)?
Diatomic ion
Monatomic ion
Polyatomic ion
Covalent ion

7. What type of ion has more than two elements and behaves as a unit?
Diatomic ion
Monatomic ion
Polyatomic ion
Covalent ion

8. If a compound is binary, how many different elements does it contain?1 2 3
No way to tell

9. If an ionic compound is binary, what will the anion’s ending be changed to?
-ide
-ite
-ate
It varies

10. Atoms that are metals tend to form:
Cations
Anions

11. Atoms that are nonmetals tend to form:
Cations
Anions

12. If you are given a chemical formula and asked if it is ionic or not, what would you look for?
Two metals together
Two nonmetals together
Two metalloids together
A metal with a nonmetal

13. How many valence electrons are in an atom of calcium?1 2 3 6

14. If calcium wants to obey the octet rule, it will:
Gain 6 electrons
Gain 8 electrons
Lose 2 electrons
Share 2 electrons

15. What is the symbol of a calcium ion?

16. 16. How many electrons would be represented in an electron configuration (1s, 2s…) for a calcium ion (Ca2+)? 2 6 18 20

17. When naming a transition metal ion, the charge is indicated with
Subscripts
Superscripts
Prefixes
Roman numerals

18. What is the charge on a sulfide ion?+2 +6 -2 -6

19. Which of the following elements forms an ion with a 1- charge?
Sodium
Magnesium
Oxygen
Chlorine

20. When group 13 (3A) elements form ions, they
Lose three protons
Gain three protons
Lost three electrons
Gain three electrons

21. What is the correct name of the P3- ion?
Phosphate ion
Phosphite ion
Phosphorus ion
Phosphide ion

22. Which of the following pairs of elements is most likely to form an ionic compound?
Calcium and chlorine
Nitrogen and oxygen
Sodium and aluminum
Potassium and argon

23. When a compound name ends with –ate or –ite, it probably contains
Two metal elements
Two nonmetal elements
One metal & one nonmetal
A polyatomic ion

24. What is the correct name of this compound: NaCl
Sodium chlorine
Sodium chlorate
Sodium chloride
Sodium (I) chloride

25. What is the formula of
tin (II) oxide?
Sn2O4
SnO2
SnO
Sn2O2

26. What is the correct electron dot diagram for Si (silicon)?

27. What is the formula of aluminum oxide?
AlO
Al3O
AlO3
Al2O3

28. What is the formula for sodium sulfate?
NaSO4
Na2SO4
NaSO3
Na2S

29. How many valence electrons are in an atom of helium?1 2 8 18

30. 30. Draw the electron dot structure for aluminum (Al).