the periodic table

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GCSE Combined Science

AQA Synergy + Trilogy (bio, physics, chem)

Explaining Change

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10 Terms

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groups

columns

<p>columns</p>
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periods

rows

<p>rows</p>
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as you move across

the metallic character of the elements decrease

<p>the metallic character of the elements decrease</p>
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noble gases

group 0

<p>group 0</p>
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characteristics of noble gases

non metals

monatomic

colourless and non flammable

full outer shell

unreactive

low mpt + bpt

going down, bpt increases

<p>non metals</p><p>monatomic</p><p>colourless and non flammable </p><p>full outer shell</p><p>unreactive</p><p>low mpt + bpt</p><p>going down, bpt increases</p>
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alkali metals

group 1

<p>group 1</p>
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characteristics of alkali metals

soft

low density + mpt

very reactive

mpts decrease down the group

<p>soft </p><p>low density + mpt</p><p>very reactive</p><p>mpts decrease down the group</p>
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halogens

group 7

<p>group 7</p>
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halogen characteristics

nonmetals

poisonous

they form molecules made of pars of atoms sharing electrons

mpt increase down the group

<p>nonmetals</p><p>poisonous </p><p>they form molecules made of pars of atoms sharing electrons</p><p>mpt increase down the group</p>
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halogen displacement reaction

occurs when a more reactive halogen displaces a less reactive halogen from an aqueous solution of its halide

<p>occurs when a more reactive halogen displaces a less reactive halogen from an aqueous solution of its halide</p>

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