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WorksheetsMatter
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The smallest bit of matter that is pure and can't be broken down into any other smaller substance by physical or chemical means.
a)
particle
b)
compound
c)
element
d)
atom
2.
A(n) ________ is the single smallest particle of an element that retains the chemical identity of that element.
a)
atom
b)
element
c)
compound
d)
particle
3.
Greek philosophers known for stating that matter is made of tiny particles called atoms.
a)
Rutherford and Bohr
b)
Aristotle and Brown
c)
Dalton and Lavoisier
d)
Democritus and Leucippus
4.
Matter is classified into two main groups known as_______.
a)
solids and fluids
b)
pure substances and mixtures
c)
homogeneous and heterogeneous
d)
elements and compounds
5.
Pure substances are classified into two groups known as_______________.
a)
elements and mixtures
b)
elements and compounds
c)
heterogeneous and homogeneous
d)
atoms and elements
6.
Mixtures are classified into two groups known as_______________.
a)
elements and mixtures
b)
elements and compounds
c)
heterogeneous and homogeneous
d)
atoms and elements
7.
A molecule is a covalent chemically combined substance of ______ or more elements.
a)
three
b)
four
c)
two
d)
one
8.
Fluids are.....
a)
liquids
b)
solids
c)
gases
d)
liquids and gases
9.
Scientist known to contribute to the idea that atoms existed and demonstrated jerky motion.
a)
Democritus
b)
Robert Brown
c)
Leucippus
d)
Aristotle
10.
What is matter?
a)
Anything that has substance and takes up space.
b)
Stuff
c)
Has mass
d)
fluids and solids
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