Cations Vs. anions

Barium atoms want to form...

• an anion
• a cation
• an onion
• a cuddly kitten friend

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Cations are...

• Positive
• Negative
• Neutral
• Purring

Tags

NGSS.HS-PS1-2

Anions are...

• Positive
• Negative
• Neutral
• Crying

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

an atom has

• positive charge

• negative charge

• neutral charge

Why does losing or gaining an electron not effect mass

• electrons have positive charge, but no mass

• electrons have negative charge, but no mass

• electrons have neutral charge, but a mass of 1

• electrons have negative charge, but a mass of 1

How many protons does a Mg⁺² ion have?

• 10

• 14

• 12

• 2

Compared to an Oxygen atom an O^-2 has

• 8 electrons

• 10 electrons

• 16 electrons

• 6 electrons

Compared to an Li atom an Li⁺¹ has

• 3 protons & 3 electrons

• 4 protons & 3 electrons

• 3 protons & 2 electrons

• 4 protons & 2 electrons