Chemistry · May / June 2026 · Paper 41 · Question 2
0620
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This question is about elements.
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2(a)(i)[1]
Al / aluminium
2(a)(ii)[1]
Br2 / Br / bromine
2(a)(iii)[1]
V / vanadium
2(a)(iv)[1]
Cl2 / Cl / chlorine
2(a)(v)[1]
N2 / N / nitrogen
2(a)(vi)[1]
Si / silicon
2(b)(i)[2]
M1 same number of protons(1)
M2 different number of neutrons(1)
2(b)(ii)[2]
M1
[(80 × 24) + (10 × 25) + (10 × 26)]
OR
2430(1)
M2 2430 ÷ 100 = 24.3(1)
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