Add New Description

Fill up the form and submit

কোনটি আইসোটোন এর উদাহরণ?

{}_{18}^{40}A r, {}_{19}^{40}K, {}_{20}^{40}C a

{}_{16}^{36}S, {}_{17}^{37}C l, {}_{19}^{39}K

{}_{20}^{39}C a, {}_{20}^{40}C a, {}_{20}^{41}C a

{}_{19}^{40}K, {}_{20}^{40}C a, {}_{21}^{39}S c

ANS : 2

Descrption

To add a description please, login first. click here to login

Cancel Login

Description