Chemistry · Oct / Nov 2019 · Paper 22 · Question 5
5070
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The question as text
The table shows some properties of four Group I elements. element melting point / ºC relative thermal conductivity atomic radius / nm lithium 181 84 0.157 sodium 142 0.191 potassium 63 0.235 rubidium 39 58
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5(a)(i)[2]
5(a)(ii)[1]
5(b)(i)[1]
5(b)(ii)[1]
5(c)[1]
5(d)[2]
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