Writing Ionic Compound Formulas

The formula of this atom when it becomes an ion would be

• N^-2

• N⁺³

• N^-3

• N⁺²

Tags

NGSS.MS-PS1-1

An atom that has lost or gained electrons; an atom with a charge.

• cation

• anion

• isotope

• ion

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

• False

• True

What is the correct ionic formula between H⁺ and S^2–?

• H₂S

• HS₂

Tags

NGSS.MS-PS1-5

What is the correct ionic formula between Cu²⁺ and O^2–?

• Cu₂O₂

• Cu_2–O₂₊

• CuO

Tags

NGSS.MS-PS1-1

What is the correct ionic formula between Ca²⁺ and N^3–?

• Ca₂N₃

• Ca₃N₂

Tags

NGSS.MS-PS1-2

What is the FORMULA for...
calcium arsenide

• Ca₃As₂

• CaAs₂

• Ca₃As

• Ca₃Ar₂

Tags

NGSS.MS-PS1-1

When writing chemical formulas, how do you know it is an ionic compound?

• The elements are on the left and right hand sides of the periodic table

• Its name ends in

  -ate or -ite

• Its name has roman numerals

• Its name ends in -ide

• The elements are on the right hand side of the periodic table

When writing chemical formulas, how do you know it is a multivalent ionic compound?

• The word acid is in its name

• Its name ends in

  -ate or -ite

• Its name has roman numerals

• Its name ends in

  -ide

What is the correct formula for lithium sulfide?
Lithium = Li
Sulfur = S

• LiS

• Li₂S

• LiS₂

• Li₂S₁

Tags

NGSS.MS-PS1-1