The isotopes present in naturally occurring uranium are(i) U−235(ii) U−236(iii) U−238(iv) U−232
Choose the incorrect statement/statements from the following:
(i) Atomic mass of hydrogen is 1 u. (ii) Atomic mass of helium is 2 u. (iii) Atomic mass of chlorine is 17 u. (iv) Atomic mass of phosphorous is 31 u.
Match the following compounds with their molecular mass.
(i) SO2 (ii) CO2 (iii) NO2 (iv) H2O
(a) 44 u (b) 64 u (c) 18 u (d) 46 u