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Living Env. Chapter

2020 - Chapter 2

TermDefinition
Atom smallest particles of an element that retains the characteristics of the element
Isotope atoms of the same element that have varying numbers of neutrons
Element substance that can not be broken down into simpler chemical substances
Molecule 2 or more atoms bonded together
Compound Molecule 2 or more different elements bonded together
Ion particles with a negative or positive charge
Proton positive charge
Neutron neutral charge
Electron negative charge
mixture material made up of 2 or more different elements sugar and sand)
solution mixture that involves a solvent and a solute
solute substance that is dissolved (sugar in water)
solvent substance that does the dissolving (water)
covalent bond the outer electron is shared between 2 atoms
ionic bond the atom borrow an electron
PH above 7 base or alkaline - OH-
PH below 7 acid - H+
PH neutral 7 - pure water
Created by: cboula
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