What is the total number of protons in the nucleus of an atom of potassium-42?

How do protons, neutrons, and electrons determine the properties of an atom?

I am doing a project for biology and I need a campain slogan for the nucleus of a cell. Please help me!!!

Could someone pleeease tell me the distinguish between an Atom and an Element. I am confused here :s Help me. I need the answ...

What is the name given to many of the elemnts that have more that one oxidation number?? is it isotopes?

to acheive stability when it combines with sodium, a chlorine atom will what? accept 1 electron? accept 7 electrons? donate ...

Protons, neutrons and electrons...what are their charges and relative masses?

wats the difference between an atom bomb and a nuclear weapon?

Ok I need this for science class, please help! :) What happens when potassium chloride reacts with: 1. Potassium iodide 2. ...

Does anyone know what Atomic Radiation is?

How many atoms is an average person made up of. I know that the Universe contains about 10^80 atoms. Does anyone know how m...