Find the total number neutrons in `7mg of ^(14)C`.

Find the total mass of 'neutrons in 7 mg of ""^(14)C.

Find the number of neutrons in deuterium .

Find the total mass of protons in 34 mg of NH_(3) at STP.

A single electron in an ion has ionization energy equal to 217.6eV . What is the total number of neutrons present in one ion of it?

What are the number of protons and the number of neutrons in a nucleus of U^(238)_92 ?

The total number of neutrons present in 54mL H_2O(l) are :

Find the number of neutron and number of prorton if the element have number of electron 13 and mass number 27.

The total number of electrons in a nitrogen atom is 7. Find the number of valence electrons in it.

Find the total number of proper factors of the number 35700.

Find the total number of positive integral solutions for (x ,y ,z) such that x y z=24. Also find out the total number of integral solutions.