Atom_16OWE

Vocabulary
 * atom - basic system of matter
 * proton - a particle that makes up an atom with a positive charge
 * neutron - a particle that makes up an atom with no charge
 * electron - a particle that makes up an atom with a negative charge
 * nucleus - the central core of an atom and contains neutrons and protons
 * atomic number - the number of protons an atom has
 * atomic weight - the sum of protons and neutrons
 * atomic symbol - a notation for the elements, usually one or two letters

Atom - Nitrogen


 * Atomic number - 7
 * Atomic weight - 14.0067 u ± 0.0001 u
 * Atomic Symbol - N

It combines with oxygen to form nitric oxide. Nitrogen is a colorless, odorless, tasteless gas. Nitric oxide - a colorless, poisonous gas

Electronic Configuration - 7

The 2 dots are on the first energy level. The next 5 dots are on the second energy level. The green dots are the 7 protons.