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Why are alkali metals placed in Group 1?
A
A metal hydroxide and hydrogen.
B
The reaction of sodium with water is
2Na+2H2O→2NaOH+H2 2\text{Na} + 2\text{H}_2\text{O} \rightarrow 2\text{NaOH} + \text{H}_2 2Na+2H2O→2NaOH+H2, producing sodium hydroxide.
C
It would react more vigorously than potassium, forming rubidium hydroxide and hydrogen.
D
Each atom has one electron in its outer shell.
Card 1 of 20
7.1.2 Properties and reactions of the alkali metals Flashcards
20 flashcards on Edexcel GCSE Chemistry 7.1.2 Properties and reactions of the alkali metals: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.