Chemical Bonding and Equations Review

A chemical bond is a ______________ that holds atoms together.

• force
• negative
• positive
• compound

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What usually forms the positive ion? (Loses electrons)

• Metals

• Nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

What is the number of valence electrons for Oxygen (group 16)?

• 8

• 6

• 2

• 1

What will happen when a polar and a nonpolar substance is in the same container?

• They will dissolve
• They will mix evenly
• They will not mix
• They will attract each other

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a bond that forms when valence electrons are transferred from one atom to another?

• ionic bond
• covalent bond
• crystal bond
• atom bond

What type of compound is CaF₂?

• covalent
• ionic
• polar
• metallic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic or covalent?
NH₃

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

When a metal reacts with a nonmetal, it makes

• an ionic bond
• a covalent bond
• a low melting point
• water molecules

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2