18.2 Notes

Multiple Choice

If my charge becomes 2+ what does that say about me?

• I am stealing 2 electrons
• I am losing 2 electrons
• I am in period 2
• I have an atomic # of 2

Multiple Choice

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

Multiple Choice

What is the overall charge of the ionic compound NaCl

• +1

• +2

• +3

• 0

Multiple Choice

What kind of Ion does Aluminum form?

• $$Al^{+3}$$  

• $$Al^{-3}$$  

• $$Al^{-1}$$  

• $$Al^{+2}$$  

Multiple Choice

Anions gain...

• Their onions

• respect

• electrons

• binaries

Multiple Choice

In an electron dot diagram, two pairs of shared electrons represents a ...

• single bond
• double bond
• triple bond
• quadruple bond

Multiple Choice

A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?

• 1

• 3
• 4
• 6

Multiple Choice

The chemical bond formed when two atoms share electrons  is called a(an) IONIC bond. 

• True
• False

Multiple Choice

In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom. 

• True
• False

Multiple Choice

If a molecule contains polar bonds, the molecule MAY OR MAY NOT be polar overall. 

• True 
• False