Ions and Charges

Which of the following is a compound ion with a charge of 1+?

• NH₄⁺

• OH⁻

• NO₃⁻

• SO₄²⁻

Which ion is known as the sulfate ion?

• NO₃⁻

• CO₃²⁻

• SO₄²⁻

• HCO₃⁻

Which of the following ions has a charge of 1-?

• NH₄⁺

• OH⁻

• SO₄²⁻

• CO₃²⁻

Which ion is known as the hydrogen carbonate ion?

• NH₄⁺

• OH⁻

• HCO₃⁻

• CO₃²⁻

Is this ionic bond drawn correctly?

• Yes

• No

Tags

NGSS.MS-PS1-5

How does calcium become an calcium ion?

• it loses 2 electrons

• it gains 2 electrons

How does magnesium become an magnesium ion?

• it loses 2 electrons

• it gains 2 electrons

How does oxygen become an oxide ion?

• it loses 2 electrons

• it gains 2 electrons

An electron has what kind of charge?

• no charge

• positive 

• negative

• it depends

Tags

NGSS.MS-PS2-3

A cation has a ________ charge because it _________ electrons.

• Negative, Gains

• Negative, Loses

• Positive, Gains

• Positive, Loses