Unit 2 Science Notes
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MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
Element
Each element is made of only one kind of atom there are about 120 element Example
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Molecule
Formed when be 2 or more Atoms join together these maybe 2 of the same or 2 Different Atoms
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Compound
Formed when 2 or more Different atoms are joined together
Note: all compounds are also molecules but not all molecules are compounds
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If I want,I can put two or more scoops of ice cream together. This is a molecule.if my molecule has more than one flavor of ice cream. I can tell it a compound
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Subscripts tell how many atoms of each element for that molecule Example:H=2atoms hydrogen Example:H2 2 O=2atoms
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Coefficients multiply the number of molecule you are making 2H2=4 atoms hydrogen,2atoms oxygen
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