IONS/POLYATOMIC

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

Negative ions form when atoms _________ valence electrons.

• lose
• gain
• share

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Cations are...

• Positive
• Negative
• Neutral
• Purring

Tags

NGSS.HS-PS1-2

Anions are...

• Positive
• Negative
• Neutral
• Crying

Tags

NGSS.MS-PS1-1

What is a Rubidium ion's symbol?

• Rb^-
• Rb⁺
• Rb_^-2
• Rb⁺²

Tags

NGSS.HS-PS1-1

What is the ionic symbol for a phosphorus atom?

• P^-3
• P⁺³
• P^-2
• P⁺²

Tags

NGSS.HS-PS1-1

What is the ionic symbol for Krypton?

• Kr
• Kr⁺
• Kr^-
• Kr^-2

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)

• covalent bond.
• ionic bond.
• charged bond.
• dipole bond.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4