Practice Naming and Writing Formulas

Ba⁺², Br^-1

• BrBa
• Br₂Ba₂
• BaBr₂
• Br₂Ba

Tags

NGSS.MS-PS1-1

Ca⁺², O^-2

• CaO
• OCa
• Ca_-2O₊₂
• Ca₂O₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The correct chemical formula for magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

Tags

NGSS.MS-PS1-1

The name of FeCl₂ is

• iron chloride
• iron (II) chloride
• iron (I) chloride
• iron dichloride

K⁺, O^-2

• KO
• K₂O
• K_-2O₂
• O₂K

Tags

NGSS.HS-PS1-2

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 MgI₂?

• Manganese IV iodide
• Manganese diiodide
• Magnesium iodide
• Magnesium diiodide

Tags

NGSS.HS-PS1-2

The correct name of Mg₃N₂ is

• manganese nitride
• magnesium nitride
• magnesium (III) nitride
• trimagnesium dinitride

Tags

NGSS.HS-PS1-2

The first step in naming an ionic compound is always...

• Naming the anion (non-metal)

• Changing the ending to -ide

• Naming the cation (metal)

• Writing the cation charge

Name the following ionic compound: BeCl₂

• beryllium chlorine
• beryllium II chloride
• beryllium chloride
• beryllium dichloride