Calculate the number of electrons which will together weigh one gram.

Calculate number of valance electrons in Mn2+

A potential difference of 3V is applied across a conductor of resistance 1.5 Omega. Calculate the number of electrons flowing through it in one second. Given charge on electron, e=1.6 xx10^(-19)C.

A potential difference of 200 volt is maintained across a conductor of resistance 100ohm. Calculate the number of electrons flowing through it in one second. Charge on electron e = 1.6 xx10^-19C

Calculate the number of unpaired electrons in the following gaseous ions: Mn3+, Cr3+, V3+ and Ti3+. Which one of these is the most stable in aqueous solution?

Calculate the number of unpaired electrons in the following gaseous ions i) Mn^(3+) ii) Cr^(3+) iii) V^(3+) iv) Ti^(3+) Which one of these is the most stable in aqueous solution ?

Calculate the number of iron atoms in a piece of iron weighing 2.8g

Calculate the number of electrons , protons and neutrons in sulphur.