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Ions and Isotopes

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A reading comprehension quiz about #ions #anions #cations #isotopes #chemistry

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Questions 13

Answers

1
Isotopes of an element have the same number of
neutrons.
protons.
2
Electrons in a cation carry
a positive charge.
no charge.
a negative charge.
3
The mass number of all isotopes of a carbon atom are the same.
true
false
4
Atoms are most stable when
their valence shell is full.
their inner shell is full.
when they have no valence electrons.
they have an even number of electrons.
5
The atomic number
tells the number of energy shells.
is the same as the atomic mass.
is the same as the number of protons.
is the same as the number of neutrons.
6
Positively charged ions
will be attracted to each other.
will be repulsed by one another.
will bond together.
7
An anion
has a positive charge.
is neutral.
has a negative charge.
8
A sodium ion is has exactly the same properties as a neutral sodium atom.
true
false
9
An isotope of carbon has its own place on the periodic table.
False
True
10
Most of the mass of an element comes from
the protons.
the electrons.
the isotopes.
the protons and neutrons.
11
An ion is an atom that
always negatively charge.
always positively charged.
is neutral.
has a charge.
12
Choose the correct answer.
correct
incorrect
incorrect
incorrect
13
Cations
have gained one or more electrons.
have lost one or more electrons.
have extra neutrons.
have extra protons.