Which of the following is nitrate?

• NO₂^-

• NO₃^-

• NO₄^-

• NO₃^2-

Which of the following is chlorite?

• ClO^-

• ClO₂^-

• ClO₄^-

• ClO₃^-

Which metal ion is correctly paired with its common charge(s)?

• silver +2

• copper +2, +3

• iron +2, +4

• zinc +2

Which anion is incorrectly paired with its common charge?

• sulfide -2

• oxide -2

• fluoride -1

• nitride -1

Tags

NGSS.HS-PS1-1

Which of the following is carbonate?

• CO₃^-

• CO₂^-

• C₂H₃O₂^-

• CO₃^2-

Which of the following is ammonium?

• NH₃^-

• NH₄⁺

• Am⁺

• NO₂^-

Which is the correct charge for the phosphate ion?

• -1

• -2

• -3

• -4

Which cation is correctly paired with its common charge?

• potassium +1

• magnesium +1

• sodium +2

• lithium +2

What is the charge of an aluminum ion?

• +1

• -1

• +2

• +3

Whenever a hydrogen is part of an anion, the charge:

• becomes less negative

• becomes more negative

• does not change

• changes it to a cation