Covalent and Ionic Bonding

Ionic or covalent?
NaBr

• 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

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 is the ONLY part of the atom that makes a chemical bond

• Nucleus
• electrons
• valence electrons
• protons

Atoms with 5 or more valence electrons would rather give away electrons than take them from another atom? 

• True
• False
• Neither

Noble gases will form chemical bonds with other elements

• True
• False
• Sometimes

What is the charge of a molecule? 

• Positive
• Negative
• Neutral

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom