Question

Can someone solve the question ​

Answer 1

Answer:

1.Li<N<K<Rb<Cs

2.Na>Mg>Si>S>Cl

3.I<Br<F<Cl

4.Te<Se<S<O

5.He<Ne<Ar<Kr

Explanation:

1.Metallic character increases down the group

2.Atomic size decreases across a period so Na will have the biggest atomic size

3.Electron affinity decreases down a group

4. Ionisation  energy  decreases down a group

5.Number of shells increases as we go down the group