Atoms, compounds and Isotopes

Atoms, compounds and Isotopes

1. Mass number goes on top, total number of protons and neutrons

   • Atomic number goes on bottom, number of protons
     • To get number of neutrons just subtract atomic number from mass number

2. Compouds are chemically bonded

   • Formed when 2+ atoms are chemically combined

3. LEARN THIS OKAY: Isotopes are different atomic forms of the same element, which have the SAME number of PROTONS but a different number of neutrons

   • Basics, isotopes need the same atomic number but different mass numbers.

4. IONIC BONDING

   • ITS JUST TRANSFERRING ELECTRONS
     • Atoms like having full outer shells