Chemistry Practice for Exam

Random Science or chemistry Quiz

Can you name the compounds, formulas, and polyatomic ions?

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Periodic Table ยป Brain Games
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QuestionAnswer
How many significant figures are in 2.0110?
How many significant figures are in 3.030?
How many significant figures are in 0.0020?
Which of these is a pure substance? Steam, Wine, Oxygen, Vegetable Soup
How many neutrons are there in an atom of lead whose mass number is 208?
How many protons and electrons does one ion of Aluminum have? (type answer as 'p, e')
What is the name of the element 'Mn'?
Name the elements in the halogen family in order (top to bottom)
What do all isotopes of the same element have in common?
Name the compound: NaCl
Name the compound: FeF2
Name the compound: CoCl3
Name the formula: potassium nitride
Name the formula: magnesium chloride
Name the formula: vanadium (V) fluoride
Mix the following two elements and give the name of the compound: Al and S
Mix the following two elements and give the name of the compound: Cu and O
Mix the following two elements and give the name of the compound: P and O
Name the polyatomic ion: PO4
QuestionAnswer
Name the polyatomic ion: C2H3O2
Name the polyatomic ion: hydrogen phosphate
Name the polyatomic ion: cyanide
Name the charge of the polyatomic ion: sulfate
Name the charge of the polyatomic ion: permanganate
Name the charge of the polyatomic ion: NH4
Sodium and water are mixed to create sodium hydroxide and hydrogen. Type the UNBALANCED formula. For the arrow, use an = sign.
Salt or molecule? KBr
Salt or molecule? N2O4
Salt or molecule? Na2Cr2O7
What product always forms in an acid-base reaction?
What two products always form in a combustion reaction?
How many moles of water are in one molecule of water?
.5 moles H2SO4 weighs how much (in g)?
What is the weight (in g) of one mole iron?
What is the molar mass of acetaminophen (C8H9NO2)
6g of water contains how many moles?
If 2 moles of nitrogen and 6 moles of hydrogen are combined, in the balanced equation N2 + 3H2= 2NH3, what is the limiting reactant?

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