Unit 4 Bonds

Ionic bonds are between...

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

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 when atoms share electrons?

• ionic
• covalent
• artificial
• univalent

Tags

NGSS.HS-PS1-2

What are valence electrons?

• sum of the protons and neutrons
• protons minus electrons
• electrons in the inner shells
• electrons in the outer shell

Tags

NGSS.HS-PS1-1

How many valence electrons does oxygen have?

• 2
• 4
• 5
• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many Al atoms are in this compound?         4Al₂O₃

• 2
• 8
• 6
• 4

Tags

NGSS.MS-PS1-1

On the periodic table, Groups are

• Horizontal rows

• Vertical columns

Tags

NGSS.HS-PS1-1

On the periodic table, Periods are

• Horizontal rows

• Vertical columns

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.HS-PS1-1