Name
Date
Class
3-3 Practice Problems
L. How many
are
8.
What is the name of the element that has
atoms that contain 25 protons?
and electrons are
present in a nitrogen atom?
9.
What is the name of the element that has
atoms that contain 82 protons?
protons and electrons
present in a vanadium atom?
How many protons
3. How many
protons and electrons are
present in an argon atom?
4. How
many protons and electrons
is the name of the element that has
atoms that contain 92 protons?
are
11. Write the chemical symbol for the ion
with 12 protons and 10 electrons.
How many protons and electrons are
present in a platinum atom?
Write the chemical symbol for the ion
with74 protons and 68 electrons.
What is the name of the element that has
atoms that contain 5 protons?
Write the chemical symbol for the
with 95 protons and 89 electrons.
What is the name of the element that has
atoms that contain 17 protons?
14. Write the chemical symbol for the ion
with 33 protons and 36 electrons.
present in a potassium atom?
I
10. What
l
It
i
7.
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Chapter
3
19
r..i:!-.}-.:- ;trcsr+r614
Date
Name
.-.r. . ,r! :i::r!:;r;U4ffi
Class
3-3 Practice Problems (continued)
L5. Write the chemical symbol for the ion with
29 protons and27 electrons'
2L.
How many Protons, neutrons,
electrons are present in
the
and
'lCa- ion?
16.
How many Protons, "99tl9lst and
electrons are present in the ]lNi'* ion?
22. Write the complete chemical symbol for
the ion with 84 protons, 125 neutrons' and
80 electrons.
1"7.
and
How many protons, ne^ytrglsa
tlZt"'
ion?
the
in
are present
23. Write the complete chemical symbol for
the ion wlth2i Protons, 32 neutrons, and
25 electrons.
electrons
I
1"8.
and
How many protons, n99tro1,s,
tflCe'* ion?
the
in
are present
electrons
19.
How many Protons, ne3trgns'
and
20.
How many Protons, n9Ytr91s,
and
electrons are present in the !f,Se'' ion?
20
electrons are present in the
ltsc'*
24. Write the complete chemical symbol for
the ion with 73 protons, 108 neutrons, and
68 electrons'
25. Write the complete chemical symbol for
the ion with 3f protons, 39 neutrons, and
28 electrons.
ion?
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