Compounds/Polyatomic Ions: Naming + Formulas

name the following ionic compound: NaF

• nitrogen fluorine
• sodium fluoride
• nitrogen fluoride
• sodium fluorine

When naming ionic compounds, the cation is always named first and the anion is always named second.

• False
• True

Na+ represents a

• sodium atom
• naval ion
• potassium ion
• sodium ion

The charge on a barium ion in its ionic compounds is

• 1+
• 2+
• 3+
• 4+

What is the correct formula for potassium oxide?

• KO
• KO₂
• K₂O
• KO₃

What is the formula for potassium iodide?

• KO
• KI
• KI₂
• KI₃

Br^-

• bromide
• bromine
• boron
• barium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ca⁺² combines with Br^- to form

• Ca₂Br₂
• CaBr
• Ca(br)₂
• CaBr₂

Tags

NGSS.HS-PS1-2

A binary Ionic Compound happens between what type of elements?

• Metal and metalloid
• Metal and Nonmetal
• 2 Nonmetals
• Nonmetal and Metalloid

Which Ionic Compound is incorrect?

• MgO

• NaCl

• KO

• BeS