What is the formula for calcium chloride?
CaCl₂
What is the formula for carbon dioxide?
CO₂
What is the name of HCl (aq)?
Hydrochloric acid
Which group contains the noble gases?
Group 18
Deca
10
Name the compound with the formula Na₂SO₄.
Sodium sulfate
Name the compound PCl₃.
Phosphorus trichloride
Name the acid H₂SO₄.
Sulfuric acid
What is a common property of alkali metals (Group 1)?
They are highly reactive and form +1 ions.
Mono
1
What is the charge of iron in Fe₂O₃?
+3 (Iron(III) oxide)
Name the molecular compound with the formula N₂O₄.
Dinitrogen tetroxide
What is the formula for nitric acid?
HNO₃
Which group contains elements that form salts with metals and are very reactive nonmetals?
Halogens (Group 17)
Tri
3
Write the name for Mg(NO₃)₂.
Magnesium nitrate
What is the name of SO₂?
Sulfur dioxide
Name the acid H₃PO₄.
Phosphoric acid
What group contains elements with two valence electrons and forms +2 ions?
Alkaline earth metals (Group 2)
Nona
9
What is the formula for aluminum oxide?
Al₂O₃
Write the formula for dinitrogen monoxide.
N₂O
What is the name of H₂CO₃?
Carbonic acid
Which group contains transition metals known for forming colorful compounds?
Groups 3–12
Hexa
6