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Worksheetschemistry
Total questions: 11
Worksheet time: 26mins
Name
Class
Date
1.
name the group that has a single bond
a)
alkenes
b)
alcohols
c)
alkanes
d)
ethers
2.
Which of the following elements has the smallest radius?
a)
Mg
b)
Al
c)
Si
d)
K
3.
What is a variable in an experiment?
a)
Something that stays the same
b)
Something that might change
4.
When an atom loses an electron, it becomes a
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
5.
What kind of change is a phase change?
a)
Physical - it's still the same substance
b)
chemical - it's made of chemicals
6.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
7.
What does a represent?
a)
Proton
b)
Neutron
c)
Electron
8.
An electron is
a)
positively charged
b)
neutral
c)
negatively charged
9.
What is a reactant?
a)
The starting substance
b)
The ending substance
10.
How many atoms of sodium (Na) are in one molecule of baking soda?
a)
1
b)
2
c)
3
d)
4
11.
Has a definite shape, mass, and volume
a)
solid
b)
liquid
c)
gas
d)
matter
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