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Year III Chemistry

Michael Higton

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Across
1.NH4, H, Li, K, Ag, Na
4.These hold electrons
5.Densest state of matter
7.Rows in the periodic table
10.Arrangement of electrons in an atom
11.A substance that reacts with an acid to form a salt
12.The random motion of particles from an area of high concentration to low concentration
15.Solution formed when the Hydrogen in an acid is displaced by a metal
16.The number of protons and neutrons in an atom
17.The alkaline earth metals
18.Formed when group 2 elements are reacted with water
19.Columns in the periodic table
Down
2.Products of the reaction between an acid and a metal carbonate
3.CO3, O, SO4, S
5.Change of state from a solid to a gas
6.Salt formed when Magnesium reacts with Hydrochloric acid
8.F, Cl, Br, I, At
9.Sulphuric, Hydrochloric, Nitric, Phosphoric, Ethanoic, Carbonic
13.Most reactive group 1 metal (apart from Francium)
14.The same number of protons but different numbers of neutrons

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