What is the chemical formula of Goethite?Group of answer choicesCaCO3FeOOHAl(OH)3Fe2O3

Which formula shown is incorrect for the name given?Group of answer choicesmagnesium nitrite: Mg(NO2)3calcium carbonate: CaCO3aluminum sulfate: Al2(SO4)3sodium hydrogen carbonate: NaHCO3potassium hydroxide: KOH

Beryl is a mineral which contains 5.03% Be, 10.04% Al, 31.35% Si, and 53.58% O. What is the chemical formula for beryl?Group of answer choicesBe3Al2(SiO3)6Be4Al(SiO3)8Be3(AlSiO3)2BeAl(SiO3)3

What is the correct formula for iron(III) oxide?Group of answer choicesFe2O3Fe3OFeO3FeOFe3O2

What is the formula for an ionic compound made of aluminum and oxygen?Group of answer choicesAlO2Al2O3Al3O2AlO

Which of the following is a silicate mineral?Group of answer choicesFeS2KAlSi3O8SiCaCO3