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Science 2

Elements and vocabulary

TermDefinition
H Hydrogen
He Helium
Be Beryllium
B Boron
C Carbon
N Nitrogen
O Oxygen
F Fluorine
Ne Neon
Na Sodium
Mg Magnesium
Al Aluminum
Si Silicon
P Phosphorus
S Sulfur
Cl Chlorine
Ar Argon
K Potassium
Ca Calcium
Atom A small particle that is the building block of matter.
Molecule Two or more atoms that are held together by chemical bonds And act as a unit.
Pure substance Substances that are made of only one type of atom or molecule. i.e carbon, iron, water
Element A pure substance represented by chemical symbols on the Periodic table.
Chemical symbols The symbols in the periodic table.
Atmosphere An envelope of gases surrounding the Earth or another Planet.
Periodic table A table of the elements arranged in order of the atomic number.
Mixture When two or more substance are combined.
Demonstrate To show clearly.
Know To be aware of through observation.
Recognize To recall or recover the knowledge of.
Relate To make a connection between two or more things.
Created by: Cchavez77
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