Find the number of protons in 12 grams of `_6^12C`.

The isotopic abundance of C-12 and C-14 is 98% and 2% respectively : What would be the number of C-14 isotope in 12 g carbon sample :

Calculate the number of photons if 6.62J of radiation energy of frequency of 10^12H_Z .

Find the Coulomb force between two protons in a nucleus, if the average distance between two protons in a nucleus is 6 fm.

The total number of protons , electrons and neutrons in 12 g of overset12(6)C IS :

State the number of neutrons and protons present in C^12 and C^14 .

trianglen , the change in the number of mole for the reaction, C_12H_22O_11(s)+12O_2(g)rarr12CO_2(g)+11H_2O(l) at 25^@C is

Find the sum of first n terms of the series, 5+6+8+12+20+…

Let A (1,2,3). Then, find the number of equivalence relations containing (1,2).

Find the number of local maxima and local minima points in f(x) = 2x^(3) - 3x^(2) - 12x + 4 .