Ionic and Covalent Bonding Review

What is the oxidation number of magnesium in magnesium chloride (MgCl₂)?

• +2

• -2

• 12

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

• Gain 5

• Lose 3

• Nothing

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Metal and 1 Nonmetal

• 2 Metals

• 2 Noble Gases

Tags

NGSS.MS-PS1-1

Atoms are most stable when their outer shell is complete.

• true

• false

Tags

NGSS.MS-PS1-1

How many valence electrons do most atoms need to be stable?

• 1

• 2

• 6

• 8

Water is an example of what?

• molecular compound (covalent compound)

• ionic compound

Tags

NGSS.MS-PS1-1

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

Tags

NGSS.MS-PS1-1

Ionic bonds...

• Transfer electrons

• Share electrons

NON-metal elements bond with metal elements to create...

• ionic bond

• covalent bond

The properties listed are describing...

Exists as solid, liquids, and gases

Bad conductors

Low melting and boiling points

Flammable and brittle

• Ionic bonds

• Covalent bonds

Tags

NGSS.MS-PS1-4