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Subjects
Science CBSE
Class 9
Structure of the atom
Discovery and structural models of atomic particles
9.
Calculate the number of electrons and protons I
Exercise condition:
2
m.
1
. Find out the number of electrons revolve around the nucleus of
\(Co\)
. \(Z\) of
\(Co\)
.
27
26
25
24
2
. Calculate the number of protons in the nucleus of
\(P\)
. \(Z\) of
\(P\)
.
15
12
14
13
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