Chemistry, 02.05.2021 14:00 debnkids691
1 The numbers of subatomic particles present in four species W, X, Y and Z are given in
the table.
Species
Number of protons
Number of
neutrons
Number of
electrons
W
19
20
18
Ñ…
19
20
19
Y
20
20
18
z
20
22
20
Which of these species are isotopic?
A W and X
B W and Y
C X and Z
D Y and Z
Answers: 3
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1 The numbers of subatomic particles present in four species W, X, Y and Z are given in
the table....
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