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Lesson 3

Exploring Creation with Physics and Chemistry

TermDefinition
atom The smallest particle of an element that still keeps the properties of that element.
naturally occurring elements Elements that can be found in nature and were made by God.
synthetic elements Elements that were made by man.
compound A combination of two different elements.
alchemists People who mixed lots of stuff together to make new things.
charge The strange occurrence where some atoms are attracted to each other, while other atoms are repelled.
protons Positively charged particles.
electrons Negatively charged particles.
Atomic Number The number of protons an atom has.
neutrons Particles in an atom that have no charge at all.
nucleus The center of an atom that contains both protons and neutrons.
nucleons Protons and neutrons together.
Mass Number The number of nucleons an atom has.
energy level The level where the electron spends its time buzzing around the atom.
orbitals or electron shells Another word for energy levels.
valence electrons All the electrons in the very outside energy level.
isotopes Atoms that have a different number of neutrons from protons.
Octet Rule When an atom has eight electrons in its outer shell, it becomes stable and less reactive.
covalent bond A sharing bond between atoms that are sharing their valence electrons.
ion An atom that does not have the right amount of electrons.
ionic bonding When an ion forms bonds with other ions.
anion An atom that gained electrons.
cation An atom that lost electrons.
Created by: tamlynberry
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