periodic table
5.0(1)
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20 Terms
1
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group 1
alkaline metals
2
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alkaline metal characteristic
low melting/boiling points
3
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group 2
alkaline earth metals
4
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alkaline earth metals characteristcs
high melting/boiling point
5
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groups 3-12
transition metals
6
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group 17
halogens
7
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group 18
noble gases
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core charge
increases across the period
remains constant down the group
remains constant down the group
9
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electronegativity
increases across the period
decreases down the group
decreases down the group
10
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atomic radii
decreases across the period
increases down the group
increases down the group
11
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first ionisation energy
increases across the period
decreases down the group
(most of the time)
decreases down the group
(most of the time)
12
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reactivity
decreases across the period
increases down the group
increases down the group
13
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nuclear charge
increases across the period
decreases down the group
decreases down the group
14
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metallic characteristics
increases from top left to bottom right
decreasese from bottom left to top right
decreasese from bottom left to top right
15
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electrons in spdf
s can hold 2 electrons
p can hold 6 electrons
d can hold 10 electrons
f can hold 14 electrons
p can hold 6 electrons
d can hold 10 electrons
f can hold 14 electrons
16
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max number of electrons per shell
2n^2
17
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s block
groups 1 - 2 (+helium)
18
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d block
groups 3 - 12 (transition metals)
19
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p block
groups 13 - 18
20
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f block
lanthoids and actinoids