Formula Writing

What is the formula for magnesium chloride?

• MgCl
• Mg₂Cl
• MgCl₂
• Mg(ClO₃)₂

Tags

NGSS.MS-PS1-1

The chemical formula of magnesium hydroxide is

• MgOH₂
• Mg(OH)₂
• Mg(OH)
• MgH₂

Tags

NGSS.MS-PS1-1

The chemical formula of Iron (III)bromide is

• FeBr
• Fe(III)Br
• FeBr₃
• Fe₂Br₃

Tags

NGSS.MS-PS1-1

The chemical compound for sodium phosphate would be:

• NaPO₄
• Na₂PO₄
• Na₃PO₄
• Na(PO₄)₃

Tags

NGSS.MS-PS1-1

Metals tend to _____ electrons to form _______; nonmetals tend to _____ electrons to form ________.

• lose, cations ;   lose, anions
• gain, cations ;    lose, anions
• gain, anions ;    gain, cations
• lose, cations ;     gain, anions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic compounds generally form when ____________ and ________________ react with each other.

• nonmetals and nonmetals
• metals and metals
• metals and nonmetals
• polyatomic elements & nonmetals

Tags

NGSS.HS-PS1-2

What is the formula for manganese(III) oxide?

• MgO
• Mg₂O₃
• MnO
• Mn₂O₃

Tags

NGSS.HS-PS1-2

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

• atomic number
• mass number
• charge
• ionization energy

Fe(NO₃)₂

• iron nitrate
• iron dinitrate
• iron(II) nitrate
• iron(I) nitrate

Fe⁺³ combines with S^-2 to form 

• Fe⁺⁴(S)⁼³
• Fe²S⁴
• Fe₂S₃
• Fe³S²

Tags

NGSS.HS-PS1-2