Question

21. In the following table are given the mass number and atomic number of certain
elements
A
B
ELEMENT
C
D
E
F
H
G
MASS NUMBER
2.
ca
3
6
9
11
19
23
ATOMIC NUMBER
1
2
3
4
5
9
11
(i) How many neutrons are present in F.?
(ii) Which atoms ace isotopes of the same element ?
(iii) Which atom will form single positively charged ion ?
(iv) Which is the atom of an inert gas?
(v) Which will form single negatively charged ion?​

Answer 1

Answer:

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