Writing and Naming Chemical Formulas

Ca⁺²P^-3

• PCa

• P₂Ca₃

• CaP

• Ca₃P₂

Tags

NGSS.MS-PS1-1

K⁺, O^-2

• KO

• K₂O

• K_-2O₂

• O₂K

Tags

NGSS.MS-PS1-1

When adding a subscript to a polyatomic ion, you should...

• multiply any subscripts on the polyatomic ion by the subscript you are adding

• put parentheses around the polyatomic ion before adding a subscript

• write the new subscript next to any subscripts on the polyatomic ion

• put the polyatomic ion in square brackets before adding the subscript

What is the correct name for HBr?

• Bromic acid

• Hydrobromic acid

• Hydrogen bromate

• Hypobromic acid

What is the correct name for P₃Cl₆?

• Potassium chloride

• Phosphorous chloride

• Triphosphorous hexachloride

• Tetraphosphorous heptachloride

Tags

NGSS.MS-PS1-1

What is the correct name for MgI₂?

• Manganese IV iodide

• Manganese diiodide

• Magnesium iodide

• Magnesium diiodide

Tags

NGSS.MS-PS1-1

The correct name of Mg₃N₂ is

• manganese nitride

• magnesium nitride

• magnesium (III) nitride

• trimagnesium dinitride

Tags

NGSS.MS-PS1-1

What is the correct formula for hydrochloric acid?

• HClO

• ClO₃

• HCl

• HCO₃

What is the correct formula for dinitrogen tetroxide?

• N₃O₃

• (N₂)₂(O₄)₃

• N₂O₄

• N₄O₂

Tags

NGSS.MS-PS1-1

What is the correct formula for phosphorous trichloride?

• P₃Cl

• PCl₃

• KCl₃

• K₃Cl

Tags

NGSS.MS-PS1-1