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WorksheetsIsotope
Total questions: 8
Worksheet time: 20mins
Name
Class
Date
1.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
2.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
3.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons
d)
mass number
4.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
5.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
6.
An atom is electrically neutral when
a)
protons and neutrons are the same
b)
protons and electrons are the same
c)
neutrons and electrons are the same
d)
neutrons balance the protons and electrons
7.
Q.Isotopes must have the same number of protons but different numbers of ________
a)
electron rings
b)
charges
c)
neutrons
d)
electrons
8.
How many neutrons are in an atom of Nitrogen-16?
a)
9
b)
7
c)
16
d)
20
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