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Chemical ions everyone needs to know for any chemistry exam

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lilli.atkin
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The formula of ions and there charges

Question 1 of 9

1

What is the formula for a carbonate ion?

Select one of the following:

  • CO2 charge; 1-

  • CO3 charge; 2-

  • CO3 charge; 3-

Explanation

Question 2 of 9

1

A sulfate ion has a charge of 2-

Select one of the following:

  • True
  • False

Explanation

Question 3 of 9

1

Whatt is the ion PO4 charge; 3- called?

Select one or more of the following:

  • Phosphate

  • Phosphine

  • Phosphide

Explanation

Question 4 of 9

1

An NH4 charge; 1+ is called an ammonia ion

Select one of the following:

  • True
  • False

Explanation

Question 5 of 9

1

What is the charge of a hydroxide ion?

Select one of the following:

  • 2-

  • 1+

  • 1-

  • 2+

Explanation

Question 6 of 9

1

The formula for a hydrogen carbonate ion is.......

Select one of the following:

  • HCO2 charge;1-

  • HCO charge; 1-

  • HCO3 charge; 1-

Explanation

Question 7 of 9

1

A nitrate ion (N03) has what charge?

Select one of the following:

  • 2-

  • 1+

  • 1-

  • 2+

Explanation

Question 8 of 9

1

All elements in group 2 have a valency of 2+

Select one of the following:

  • True
  • False

Explanation

Question 9 of 9

1

What valency do elements in group 5 have?

Select one or more of the following:

  • 4+

  • 5-

  • 5+

  • 3-

Explanation

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