Naming and Writing Chemical Formulas for Ionic Compounds

The name for the ionic compound NaF is

• Sodium fluoride

• Sodium fluorate

• Sodium fluorine

• Fluorine sodium

The name for the ionic compound CaS is

• Carbon sulfide

• Carbon sulfur

• Calcium sulfide

• Calcium sulfur

The chemical formula for Beryllium Sulfide is

• Be₂S

• BeS

• BeS₂

• Be₂S₂

If a sulfate ion has a charge of -2, how many sodium ions will combine with one sulfate ion?

• 1

• 2

• 3

• 4

Which of these is NOT a polyatomic ion?

• OH^-

• CO₃^2-

• PO₄^3-

• Cl^-

• ClO₄^-

Which of these is a valid (real) monoatomic anion?

• O ^-1

• P ^-2

• S ^-2

• Na ⁺²

The sulfate ( SO₄^-2 ) ion has

• 2 atoms

• 4 atoms

• 5 atoms

• 8 atoms

An ionic compound is formed between

• Metal anion(s) and non-metal cation(s)

• Two or more metal atoms

• Metal cation(s) and non-metal anion(s)

• Two or more non-metal atoms

Tags

NGSS.HS-PS1-2

A cation is where

• there are more electrons than protons

• there are the same number protons and electrons

• there are fewer electrons then protons

Anions are formed when

• metals give away their electrons.

• non-metals gain electrons.

• non-metals give away their electrons.

• when metals gain electrons.