Question

Please SOLVE AND SHOW​

Answer 1

I am in class 9 and I can solve it easily. If this is for claas 9 then it's OK but if this q is of claas 10 then you must study harder.

Answer 2

Answer:

I. 17+18 = 35

ii. c) P and Q. isobars have different atomic number but same mass number

iii. a) R= S < P< Q

IV. b) 2,8,8,1

V. R & S