Names and formulas for ionic compounds - Part 2

Which of the following is the charge on the metallic ion in copper (II) chloride?

• Cu²⁺

• Cu^2-

• Co^2-

• Cl²⁺

In a chemical formula, the total positive charge and negative charge must add up to equal _____.

• 0

• 1

• 2

• 3

What is the correct name of the compound CaCl₂?

• Calcium dichloride

• Calcium dichlorine

• Calcium chlorine

• Calcium chloride

Tags

NGSS.MS-PS1-1

What is the correct name for the compound LiF?

• Lithium fluoride

• Lithium fluorine

• monolithium monofluoride

• lithium monofluoride

Tags

NGSS.MS-PS1-1

What is the correct chemical formula for magnesium iodide? The ions are Mg²⁺ and I^-

• MgI₂

• Mg₂I

• MgI

• Mg₂I₂

What is the correct formula of the potassium oxide? The ions are K⁺ and O^2-

• KO

• K₂O

• KO₂

• K₂O₂

What is the formula for beryllium iodide? The ions are Be²⁺ and I^-

• Be₂I

• BeI

• BeI₂

• BI₂

Fe⁺³ combines with S^-2 to form 

• Fe⁺⁴(S)⁼³
• Fe²S⁴
• Fe₂S₃
• Fe³S²

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A negatively-charged ion.

• atom
• cation
• anion
• electron

Tags

NGSS.HS-PS1-1

Cations are

• positive
• negative
• on the right side of the periodic table.
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2