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Atoms & Matter

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
All matter is made of _______.
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
2.
The positive particles of an atom are ________.
a)
electrons 
b)
nucleus
c)
neutrons 
d)
protons 
3.
The central region of an atom where its neutrons and protons are is its ________.
a)
nucleus 
b)
electron cloud
c)
core 
d)
proton
4.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined 
5.
Particles in an atom that are neutral and have no charge are _______.
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
6.
In the modern Periodic Table, elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
7.
The part of the atom that carries a negative charge is ________.
a)
the proton
b)
the neutron 
c)
the electron
d)
the nucelus
8.
The particles that are found in the nucleus of an atom are ________.
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
9.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
10.
When two atoms join together they make a ________.
a)
Element
b)
Molecule
c)
Cell
d)
Photosynthesis
11.
What is the chemical formula for water?
a)
H3O
b)
H2O2
c)
H2O3
d)
H2O
12.
There are 92 naturally occurring atoms, the rest are made in labs. 
a)
True
b)
False
13.
Ne is a(n)...
a)
Element
b)
Molecule
c)
Compound
d)
Crystal
14.
Substance with NO definite volume or shape...
a)
solid
b)
liquid
c)
gas
15.
Substance with a DEFINITE volume, but NO definite shape...
a)
solid
b)
liquid
c)
gas
16.
Substance with a DEFINITE shape and DEFINITE volume...
a)
solid
b)
liquid
c)
gas
17.
Amount of matter in a solid, liquid, or gas...
a)
mass
b)
volume
18.
Amount of space an object takes up...
a)
Mass
b)
Volume
19.
Anything that takes up space and has mass...
a)
Electron
b)
Atom
c)
Matter
20.
Which particles are found in an atom's nucleus?
a)
Protons
b)
Neutrons
c)
Electrons
d)
Both protons and neutrons