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WorksheetsChemistry Test practice
Total questions: 15
Worksheet time: 9mins
Zinc (Zn) is a ____
metal
nonmetal
metalloid
none of these
Sulfur (S) is a _____
metal
nonmetal
metalloid
none of these
Silicon (Si) is a ____
metal
nonmetal
Metalloid
none of these
Which lists ONLY elements (hint: NOT compounds)?
Cu, Zn, S,O4
CuSO4, Zn, ZnSO4
Cu, SO, Zn, SiO
ZnSO4, CuSO4, SiO
Which lists the products of the chemical reaction ONLY?
Cu, Zn, S, O
Cu, ZnSO4
ZnSO4
Zn, CuSO4
Which lists the reactants of the chemical reaction ONLY?
Cu, Zn, S, O
Cu, ZnSO4
ZnSO4
Zn, CuSO4
How many protons are in Zinc (Zn) ?
65
65.38
30
40
Which is a mixture?
A
B
C
D
Is this a balanced Equation?
Yes
No
The Law of Conservation of Mass states ...
How many Zn (Zinc atoms) in the PRODUCT of this equation ONLY?
0
1
2
3
There are (a) Cu (copper atoms) in the REACTANTS of this equation ONLY.
There are (a) S (Sulfur atoms) in the PRODUCTS of the equation ONLY.
Sodium (Na) is ____ reactive than Magnesium (Mg).
less
more
Sodium (Na) has _____ valance electrons than Magnesium (Mg).
more
less
the same
