3. The number of protons in one atom of an element is the element's________.
A.
[tex]atomic \: \: number[/tex]
B.
[tex]charge[/tex]
C.
[tex]isotope[/tex]
D.
[tex]mass \: \: number[/tex]
4. Which subatomic particles has a positive charge?
A.
[tex]electron[/tex]
B.
[tex]neutron[/tex]
C.
[tex]nucleus[/tex]
D.
[tex]proton[/tex]
A.
[tex]atomic \: \: number[/tex]
B.
[tex]charge[/tex]
C.
[tex]isotope[/tex]
D.
[tex]mass \: \: number[/tex]
4. Which subatomic particles has a positive charge?
A.
[tex]electron[/tex]
B.
[tex]neutron[/tex]
C.
[tex]nucleus[/tex]
D.
[tex]proton[/tex]
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Explanation:
3 a
4 a
5 not sure
6 c
7 b
8 a
9 d