Naming and Writing Formulas Johnson

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

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 do atoms of metals tend to do with their valence electrons when bonding with non-metals?

• share them
• donate them
• keep them and accept others
• keep them and give others

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is the correct name for P₃Cl₆?

• Potassium chloride
• Phosphorous chloride
• Triphosphorous hexachloride
• Tetraphosphorous heptachloride

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

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

What is the correct name for SO₂?

• Sulfur oxide
• Sulfite
• Sulfur dioxide
• Sulfur II Oxide