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BSC2085 - Quiz 3

Anatomy - Maser

Matter occupies space; has mass; solid, liquid, gas
Volume occupies space
Mass weight
Kinetic energy active; moving objects
Potential energy stored, inactive
Energy forms chemically and electrically
Chemical energy in bonds, food energy transfers to ATP energy
ATP adenosine triphosphate
Electrical energy currents in nerves and muscles
Elements basic substances; can't be broken down
Atoms smallest particles of elements
Atomic Symbols element's abbreviation
Na Sodium ("natrium")
Protons positive charge; 1AMU
AMU Atomic Mass Unit
Neutrons neutral; 1AMU
Electrons negative charge; 1/2000 of a proton or neutron
Electrically Balanced Atom # of electrons = # of protons
Planetary model electrons in circular orbits
Orbital model electrons jump and change location
Orbitals clouds where electrons likely to be found
Atomic Number # of protons in nucleus; also the number of electrons
Mass Number sum AMU of protons and neutrons
Isotopes atoms of same element but different in mass
Molecules two or more atoms, chemically bonded
Compounds two or more different kinds of atoms bonded
Created by: NknmJewel