Answer:
C. Tightly packed protons and neutrons
Explanation:
It consists of two sub-atomic particle namely proton and neutron.
This dense nucleus is responsible for most of the mass of atom.
Answer:
It’s not only about ‘changing light bulbs’ – it’s about changing attitudes and behavior.
Explanation:
Answer:
Simple Stoich Question
Explanation:
0.870 moles divided by 3 mol ratio of CuO, multiplied by 2 mol ratio of NH3 (ammonia)
Answer:
Explanation:
All matter is made up of atoms. ... These shells are actually different energy levels and within the energy levels, the electrons orbit the nucleus of the atom. The ground state of an electron, the energy level it normally occupies, is the state of lowest energy for that electron.
