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WorksheetsVocabulary Quiz 1
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
A form of matter that has a definite volume and indefinite shape is _____.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
2.
The pattern formed when light passes through a prism and it separates into the different frequencies of light it contains is a(n) _____.
a)
rainbow
b)
atomic emission spectrum
c)
photon
d)
visible
3.
The tiny, central portion of an atom that contains most of the mass is a(n) _____.
a)
nucleus
b)
proton
c)
electron
d)
neutron
4.
A quantum of light or a light particle is a(n)
a)
proton
b)
quark
c)
photon
d)
electron
5.
A process that results in matter with a new composition is a _____.
a)
chemical change
b)
physical change
c)
chemical property
d)
physical property
6.
Something that can be observed about a substance without changing its identity is a _____.
a)
chemical change
b)
physical change
c)
chemical property
d)
physical property
7.
Atoms of the same element that have the same atomic number, but different mass numbers are _____.
a)
ions
b)
elements
c)
isotopes
d)
allotrope
8.
The lowest possible energy of an atom according to quantum mechanics is the _____.
a)
ground state
b)
excited state
c)
triplet state
d)
lowest state
9.
A mixture with a uniform composition where the substances are hard to tell apart is a _____.
a)
homogeneous mixture
b)
heterogeneous mixture
c)
pure substance
d)
compound
10.
The subatomic particle with a mass of 1 amu and no charge that is found in the center of an atom is a(n) _____.
a)
proton
b)
neutron
c)
electron
d)
nucleus
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