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WorksheetsChemical reactions, compounds and naming
Total questions: 20
Worksheet time: 8mins
In the reaction
methane + oxygen --> carbon dioxide + water,
the methane and oxygen are called _______________.
reactants
products
neutrals
energizers
Identify the reactant(s) and product(s) of the reaction.
All three are reactants and none are products.
Hydrogen and water are the reactants, and oxygen is the product.
Water and oxygen are the reactants, and hydrogen is the product.
Hydrogen and oxygen are the reactants, and water is the product.
Na2CO3
How many elements are represented in the compound?
K2Cr2O7
1
2
3
4
How many atoms are in KMnO4?
(a)
How many atoms are in C6H12O6?
(a)
An element is a
pure substance
compound
mixture
molecule
Atoms bond in small groups to form _______.
electrons
molecules
nuclei
neutrons
Name the ionic compound, LiCl
lithium chlorine
lithium chloride
lithium chlorate
lithium monochloride
Name the ionic compound, CaCO3
calcium carbide
calcium carbon trioxide
calcium carbon oxide
calcium carbonate
Name the compound K2O
potassium dioxide
potassium oxide
potassium oxygen
dipotassium dioxide
What is the formula for diphosphorus pentoxide?
P2O5
PO5
P5O2
Po2O5
Name the compound Na2SO4
sulfur sulfate
sodium sulfide
sodium sulfate
sodium oxygenate
Name the compound LiNO3
lithium oxygenate
nitrogen lithate
lithium nitride
lithium nitrate
Name the compound LiBrO4
(a)
Name the compound PbCr2O4
(a)
