Chemical Formulas

The chemical formula for an ionic compound of aluminum and chlorine is

• AlCl.
• ClAl.
• AlCl₃.
• Al₃Cl.

MgF₂

• magnesium fluoride
• manganese Phosphide
• magnesium(III) fluoride
• magnesium fluoride(II)

If it is brittle, dissolves easily in water, has a high melting point, and conducts electric current, it is a(n)

• valence electron
• ionic compound
• covalent compound
• sugar

Tags

NGSS.HS-PS1-3

The correct formula for magnesium oxide is 

• Mg₂O
• MgO
• MgO₂
• Mg₂O₃

Tags

NGSS.MS-PS1-1

Na ⁺  and  S ^-2

• Na₂S
• NaS₂
• Na₂S₂
• NaS

Tags

NGSS.HS-PS1-2

LiBr is called

• lithium bromine
• lithium (I) bromine
• lithium bromide
• lithuim (I) bromide

CaI₂

• calcium diodide
• calcium iodide
• calcium iodate
• calcium iodine

The chemical formula of magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

 Al⁺³, S^-2

• AlS₃
• Al₂S₃
• S₃Al₂

Tags

NGSS.HS-PS1-2

What is the formula for Phosphorous Trichloride?

• P₃Cl
• PCl₃
• KCl₃
• K₃Cl