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WorksheetsSOL 6.4a Atoms
Total questions: 37
Worksheet time: 32mins
Name
Class
Date
1.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
2.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
3.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
4.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Compound
b)
Atom
c)
Chemical
d)
Element
5.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
6.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
7.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus
8.
If the number of protons equal the number of _____, the atom will have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
9.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
10.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
11.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
12.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
13.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
14.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
15.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
16.
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
17.
The atomic number of an elements is the total number of which particles in the nucleus?
a)
neutrons
b)
protons
c)
electrons
d)
protons and electrons
18.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
19.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
20.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
21.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
22.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
23.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
24.
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
25.
True or False? Neutrons have a negative charge
a)
True
b)
False
26.
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
a)
10
b)
20
c)
30
27.
Atoms are mostly filled with?
a)
electrons
b)
empty space
c)
protons
28.
What charge does a neutron have?
a)
positive
b)
negative
c)
no charge
d)
neutral
29.
Who came up with this model of an atom?
a)
J.J. Thompson
b)
Ernest Rutherford
c)
Neils Bohr
d)
James Chadwick
30.
Which of the following is NOT an accurate description of the nucleus?
a)
positively charged from the protons
b)
extremely dense from neutrons and protons
c)
negatively charged
d)
in the center of the atom
31.
The second electron shell can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
32.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
33.
___________ are the basic building blocks of matter.
a)
Compounds
b)
Elements
c)
Molecules
d)
Atoms
34.
Which scientist created this version of the atomic model?
a)
Dalton
b)
Bohr
c)
Rutherford
d)
Thomson
35.
What particle is #1?
a)
Proton
b)
Electron
c)
Neutron
d)
Nucleus
36.
What particles are numbers 2 and 4 ?
a)
electrons and neutrons
b)
neutrons and nucleus
c)
electrons and protons
d)
protons and neutrons
37.
What is number 3 in the picture?
a)
electron cloud
b)
nucleus
c)
cell wall
d)
atom
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