Question

write the general electronic configuration of first group elements​

Answer 1

Answer:

Hi there.

Explanation:

Answer:The elements in group one are called alkali metals.E.g.., sodium, lithium, potassium, boron,radium,etc. The general form for the electronic configuration of each alkali metal is ns1.

Answer 2

The elements of the first group 1A in the periodic table are :

• hydrogen (H)

• lithium (Li)

• sodium (Na)

• potassium (K)

• rubidium (Rb)

• cesium (Cs), and

• francium (Fr).

The general electronic configuration of first group elements are as follows :

• H - 1s^1

• Li - 1s^2 2s^1

• Na - 1s^2 2s^2 2p^6 3s^1

• K - 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1

• Rb - [Kr] 5s^1

• Cs - [Xe] 6s^1

• Fr - [Rn] 7s^1

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