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questão		resposta
mixture começar a aprender		is a combination of two or more substances
pure substance começar a aprender		is a uniform substance that has a fixed and definite composition
compound começar a aprender		a pure substance that can be decomposed into simpler substances
element começar a aprender		pure substance that can’t be broken down into simpler substances
periodic chart/table começar a aprender		a table which presents the symbol, atomic weight, atomic number for each elements
atomic number começar a aprender		the number of protons in the nucleus of an atom which is the same as the number of electrons on the electron shells
atomic weight começar a aprender		a ratio between the mass of one atom of an element and twelfth of an atom of carbon
matter começar a aprender		any substance that has mass and occupies a given/specific volume
solute começar a aprender		substance that is dissolved
solvent começar a aprender		the substance that dissolves the solute
aqueous solution começar a aprender		a solution prepared with the use of water as solvent

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