WorksheetsChemical Reactions: Counting atoms, coefficients and subscripts
Total questions: 15
Worksheet time: 9mins
Determine the number "O" of atoms for each element in the compound: H₃BO₃
(a)
What are the reactants of the formula:
CH4 +CO2
CH4+ 2O2
CO2+202
CO2+ 2H20
Determine the number of "O" atoms for each element in the compound: Al(OH)₃
(a)
Determine the number of "Al " atoms for each element in the compound: Al(OH)₃
(a)
Determine the number "H" atoms for each element in the compound: H₃BO₃
(a)
Determine the number of "H " atoms for each element in the compound: Al(OH)₃
(a)
Determine the number of atoms for each element in the compound: OC(NH₂)₂
O =
C =
N =
H =
(a)
What does the red represent on the formula?
(a)
Determine the number of "Fe" atoms for each element in the compound: Fe₂(SO₄)₃
(a)
Determine the number of " S" atoms for each element in the compound: Fe₂(SO₄)₃
(a)
Determine the number of "O" atoms for each element in the compound: Fe₂(SO₄)₃
(a)
Determine the number of " Fe" atoms for each element in the compound: 5 Fe₂(SO₄)₃
(a)
Determine the number of " O" atoms for each element in the compound: 5 Fe₂(SO₄)₃
(a)
The blue number represents the:
(a)
In the equation shown, what are the product(s)?
(a)
