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  • 23-01-2024
  • Chemistry
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The matching is; - alkali metals placed in group 1 can be cut with a knife -halogens react violently with metals are placed in group 17 what are the alkali metals and the halogens?
a.Alkali metals: Group 1
b.Halogens: Group 17
c.Halogens: Group 1
d.Alkali metals: Group 17

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