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WorksheetsQuizbee General Chemistry- Easy Round
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
How many atoms of sodium (Na) are in one molecule of baking soda?
a)
1
b)
2
c)
3
d)
4
2.
What is the chemical symbol for carbon?
a)
C
b)
Ca
c)
Cn
d)
Crn
3.
When we combined vinegar and baking soda and created carbon dioxide what was the product?
a)
vinegar
b)
carbon dioxide and baking soda
c)
carbon dioxide
d)
vinegar and baking soda
4.
What kind of change is a phase change?
a)
Physical - it's still the same substance
b)
chemical - it's made of chemicals
5.
Which of the following is a decomposition reaction?
a)
MgCo3 --> MgO + CO2
b)
SO3 + H2O --> H2SO4
c)
2 Mg + O2 --> 2MgO
6.
What does a represent?
a)
Proton
b)
Neutron
c)
Electron
7.
What is the atomic mass of this element?
a)
20
b)
60
c)
40
d)
41
8.
protons
a)
negative charge, nucleus
b)
positive charge, shells
c)
positive charge , nucleus
d)
neutral charge, nucleus
9.
Gold is an example of a(n)
a)
pure element
b)
pure compound
c)
pure mixture
10.
Using the following chemical reaction
Hydrogen + Oxygen --> water
Identify the reactant(s).
Hydrogen + Oxygen --> water
Identify the reactant(s).
a)
Hydrogen and Oxygen
b)
water
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