Question

1) The electronic configuration of metal 'A' is (2.8, 1)
The electronic configuration of metal 'B' is (2,8,2)
i) Name the metal A and metal B
ii) Which of the two metals is more reactive?
in) Write their reaction with dilute hydrochloric acid.​

Answer 1

Answer:

1) A is sodium and B is magnesium

2)A is more reactive

3) Na+HCL>NaCl+h2

Mg+HCL>MgCl+h2

Answer 2

Answer:

1. A is sodium and B is magnesium.
2. Magnesium is more reactive because it has more valency.
3. NaCl + H2

and MgCl+H2

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