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