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WorksheetsMore P, N, E Practice
Total questions: 23
Worksheet time: 15mins
Name
Class
Date
1.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
2.
Where is the proton located?
a)
In the very dense nucleus
b)
Floating around in the negative electron cloud
c)
the loose nucleus
d)
the positive electron cloud
3.
What number on the element key tells you how many protons an element has?
a)
Atomic Mass
b)
Element name
c)
Atomic number
d)
Element Symbol
4.
The following element key shows how many protons?
a)
16
b)
15.999
c)
Oxygen
d)
8
5.
What is the relative mass of a Proton?
a)
1AMU
b)
7 lbs
c)
Mass of 3g
d)
Less than 1 AMU
6.
The electron cloud is the home of the proton?
a)
True
b)
False
7.
How many neutrons are in Tungsten
a)
110
b)
74
c)
183
d)
258
8.
Which is an electron?
a)
A
b)
B
c)
C
9.
How many protons does silicon have?
a)
16
b)
12
c)
14
d)
40
10.
Fe is the ___________________ for iron
a)
atomic number
b)
chemical symbol
c)
atomic mass
d)
protons
11.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
12.
What is the atomic number of gold?
a)
4
b)
80
c)
79
d)
8
13.
Most of the mass of an atom is found it its _____.
a)
electron cloud
b)
nucleus
c)
atomic number
d)
empty space
14.
How many electrons are in Gold
a)
79
b)
118
c)
197
d)
276
15.
How many electrons are in Potassium
a)
19
b)
39
c)
20
d)
58
16.
How many neutrons are in Potassium
a)
19
b)
20
c)
39
d)
58
17.
What is the atomic mass of Helium
a)
4.0026
b)
2.0026
c)
1
18.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
19.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
20.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
21.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
22.
How comfortable are you with understanding what atoms are made of and how the atom is structured?
a)
VERY COMFORTABLE!!!
b)
Eh, pretty comfortable
c)
I get it a little...
d)
What are atoms?
23.
What contributes basically no mass to an atom.
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
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