ionic and covalent bonding

Ionic or covalent?
NaBr

• Ionic
• Covalent

Ionic or covalent?
H₂O

• Ionic
• Covalent

Positive ions form when atoms _________ valence electrons.

• lose
• gain
• share
• gain or share

Negative ions form when atoms _________ valence electrons.

• lose
• gain
• share
• gain or share

Ionic compounds form because _______ charges attract.

• opposite
• like

In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge or all the negative ions.

• equals
• is greater than
• is less than
• is larger than

Nonmetals are most likely to _____________ valence electrons in order to have a stable arrangement.

• lose
• gain
• gain or share
• share

Which is most likely to form an ion of -1?

• an element from group 17
• a metal
• an element from group 1
• an element with atoms that have eight valence electrons

What type of bond transfers (gains/lose) electrons? 

• Metallic
• Ionic
• Covalent

Atoms are neither created or destroyed (gained or lost) is known as the 

• Law of Conservation of Energy
• Law of Conservation of Matter
• Law of Conservation of Atoms