Question

10. please answer this question all parts .​

Answer 1

Answer:

a- -

b--

c--

d--

Explanation:

Answer 2

Answer:

1. atomic no. of A is 6.
2. atomic no. of B is 6.
3. mass no. of A is 12.
4. mass no. of B is 14.
5. the elements A and B represent Carbon 12 and 14 i.e C-12 and C-14