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C2 (Group 0- noble gases, group 7- halogens, group 1- alkali metals,…
C2
Group 0- noble gases
low melting point, boiling point, full outer shell (8)
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higher melting & boiling points as you go down, due to increased density
group 7- halogens
Low melting point, exist as a pair (Cl2)
react with group 1 metals to form compounds, can carry out displacement reactions
higher melting point as you go down, lower reactivity as you go down
group 1- alkali metals
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react vigorously with water, releasing hydrogen
more reactive as you go down, outermost electrons further from nucleus so easier to lose
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transition metals
differ from group 1 multiple different ions, whereas group 1 can only form +1 ions
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