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- 1. Multiple Choice
How many CORE ELECTRONS does Chlorine have?
2
4
8
10
17
- 2. Multiple Choice
How many VALENCE ELECTRONS does Chlorine have?
2
7
8
10
17
- 3. Multiple Choice
Ionic bonds are formed when electrons get
Shared between two atoms
Removed from both atoms
Transferred from one atom to another
Added to both atoms
- 4. Multiple Choice
How many valence electrons does Mg have? (use the PTable)
1
2
3
4
5
- 5. Multiple Choice
How many valence electrons does Po (Polonium) have? (Use your PTable)
2
4
6
8
- 6. Multiple Choice
Ionic bonds typically form between
A metal and a nonmetal
Two nonmetals
Two metals
A metalloid and a metal
- 7. Multiple Choice
Atoms are most stable when their outer shell is complete.
True
False
- 8. Multiple Choice
Why do elements form chemical bonds?
Because they're friendly
To create a new element
To become stable
Because they all need to gain more electrons
- 9. Multiple Choice
What is the correct formula for Sodium Chloride?
SCl
NaCl
SC
NaCl2
- 10. Multiple Choice
Name this ionic compound: Al2O3
Dialuminum oxide
Aluminum oxygen
Oxygen Aluminide
Aluminum oxide
- 11. Multiple Choice
If you were to draw the lewis dot structure for Germanium (Ge), how many dots would you put around it?
2
4
6
8
- 12. Multiple Choice
Cations _______ electrons, becoming _______ charged.
Gain; positively (+)
Gain; negatively (-)
Lose; positively (+)
Lose; negatively (-)
- 13. Multiple Choice
Anions ____ electrons, becoming _____ charged.
Gain; positively (+)
Gain; negatively (-)
Lose; positively (+)
Lose; negatively (-)
- 14. Multiple Choice
Write the chemical formula for K and Br (potassium bromide).
KBr
K2Br
KBr3
KBr2
- 15. Multiple Choice
Write the chemical formula for Na and S (sodium sulfide).
NaS
S2S2
Na2S
NaS2
- 16. Multiple Choice
Metals (like Na) typically _____ electrons in the formation of ionic bonds.
Gain
Lose
Keep the same
- 17. Multiple Choice
Nonmetals (like Cl) typically ____ electrons when they form ionic bonds.
Gain
Lose
Keep the same
- 18. Multiple Choice
Why are there two sodiums (Na), in the formation of this ionic compound?
There always has to be 2 metals
The overall charge needs to add up to 4
The overall charge has to be 0
It needs to have more metal atoms than nonmetal
- 19. Multiple Choice
Using the model for the formation of Scandium Fluoride (an ionic compound), write the chemical formula.
Sc3F
Sc3F3
Sc+3F-1
ScF3
- 20. Multiple Choice
Using the model, write the chemical formula for an ionic compound that has Mg and Cl.
MgCl2
Mg2Cl2
Mg+2Cl-1
Mg2Cl2
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