Chemical bonds

Ionic bonds are between...

• nonmetals and nonmetals
• carbon and oxygen
• metals and nonmentals
• hydrogen and chlorine

Tags

NGSS.HS-PS1-2

Covalent bonds are between...

• two or more nonmetals
• sodium and chlorine
• metals and metals
• metals and nonmetals

Tags

NGSS.MS-PS1-1

What kind of bond forms between two nonmetals?

• ionic 
• covalent
• metallic
• fake

What kind of chemical bond forms between a metal and a nonmetal?

• ionic
• covalent
• fake
• metallic

What kind of bond forms when atoms share electrons?

• ionic
• covalent
• artificial
• univalent

Tags

NGSS.HS-PS1-2

If an atom loses two electrons what charge will it have?

• -2
• -1
• +1
• +2

If an atom gains two electrons what charge will it have?

• -2
• -1
• +1
• +2

Tags

NGSS.HS-PS1-1

If an atom has 7 protons and 7 electrons what charge will it have?

• -2
• -1
• 0
• +2

Tags

NGSS.MS-PS1-1

An electron has what kind of charge?

• positive
• negative
• neutral
• none of these

What molecule is this?

• CO
• CO2
• C2O
• C2O2

Tags

NGSS.MS-PS1-1