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Principles of Chemistry


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1.substance that can not be broken down
6.the tiny particles
7.property of atom is determine by the number of proton
9.electron in outermost shell
11.equivalent of solute per liter of solution
14.a body of techniques for investigating (experiment)
16.element that is harder ductile and shiny
19.adding extra solvent to decrease the concentration of solution
20.how close the measurement in a series to each other
21.group of two or more substance
2.the simplest ratio of atoms in a molecule
3.a person who discover an atom
4.amount of matter that contains as many object as the number of atom exactly 12.0g of carbon
5.amount of product formed based on limiting reactant
8.ratio of number of solute moles to the total number of moles
10.table that containing all element in the Earth
12.anything that has mass and occupies space
13.reaction that containing oxidation and reduction simultaneously
15.reaction that produced carbon dioxide and water
17.mole of solute per one litre of solution
18.atoms that has same proton number but different number of neutron

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