An ion is no longer electrically neutral because it has gained or lost __________.

• protons

• neutrons

• electrons

• mass

What happens when two oppositely charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

Tags

NGSS.MS-PS2-5

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2

Atoms that gain electrons become...

• negatively charged

• positively charged

• remain neutrally charged

• isotopes

Ionic bonds form between two ions that have...

• ionic compounds
• negative charges
• positive charges
• opposite charges

Tags

NGSS.HS-PS1-2

In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.

• gain
• lose

Cations:

• Gain electrons, have an overall positive charge

• Lose electrons, have an overall positive charge

• Lose electrons, have an overall negative charge

• Gain electrons, have an overall negative charge

Anions:

• Gain electrons, have an overall positive charge

• Lose electrons, have an overall positive charge

• Lose electrons, have an overall negative charge

• Gain electrons, have an overall negative charge

What would be the charges on each atom of Calcium Sulfide? (CaS)

• Ca^-2 S⁺²

• Ca⁺² S^-2

• Ca⁺¹ S^-1

• Ca^-1 S⁺¹