Science Year 10 Chemical Reactions

Jun 29th, 2015
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Algoma University College
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Identify that all matter is composed of atoms and has mass. -all matter is composed of atoms and has mass Identify a range of compounds using their common names and chemical formulae.

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Science Year 10Chemical ReactionsIdentify that all matter is composed of atoms and has mass.-all matter is composed of atoms and has massIdentify a range of compounds using their common names and chemical formulae.-ammonium (NH4+), hydroxide (OH-), carbonate (CO32-), nitrate (NO3+), nitrite (NO2-), sulphate (SO42-), sulphite (SO32-), phosphate (PO43-), phosphite (PO33-)Classify compounds into groups based on common characteristics.-ionic bonds (between metal and non-metal; high melting point, solid) or covalent bonds (non-metal and non-metal; low melting point, liquid or gas)-acids (pH < 7; taste sour, react with bases and active metals) or bases (pH > 7; taste bitter, feel slippery, react with acids)Investigate a range of types of important chemical reactions that occur in non-living systems and involve energy transfer.-combustion reactions reaction with oxygen, exothermic (releases heat)-e.g. 2Mg(s) + O2(g) -> MgO(s)-acid + metal reactions acid + metal -> salt + hydrogen-e.g. Mg(s) + 2HCl(aq) ->MgCl2(aq) + H2(g)-acid + carbonate reactions acid + carbonate -> salt + carbon dioxide + water-e.g. 2H3C6H5O7(aq) (citric acid) + 3NaCO3(s) -> 2Na3C6H5

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