Week 8 Quiz Review Chemical Bonds

First Name

Last Name

Period

• 1
• 2
• 3
• 4
• 5

What is the Octet Rule?

• All atoms want 2 valence electrons in their outer most energy level to become stable.
• All atoms want 8 valence electrons in their outer most energy level to become stable.
• All atoms want 2 valence electron in their outer most energy level, except hydrogen and helium who want 8.

Electrolytes are

• energy for the body to function properly
• ions that help with nerve signaling

An ion is an atom that has

• lost or gained electrons
• lost or gained protons
• lost or gained neutrons

An atom will lose or gain electrons in order to become more

(a)  

What is the charge Ba tends to form?

• 1+ charge
• 2+ charge
• -1 charge
• -2 charge

In an ionic bond, what holds the atoms together?

• The sharing of an electron.
• The sharing of a pair of electrons.
• The positive and negative charges are attracted to each other.
• The atoms are close together.

Select the ionic compound that can be formed in a reaction with Br2, based on the number of valence electrons (hint, which formula is correct in order for it to be neutral (cancel out))

• A
• B
• C
• D