From the symbol 19k40 state (1) mass number of potassium (2) atomic – InterviewSolution

1.

From the symbol 19k40 state (1) mass number of potassium (2) atomic number of potassium (3) write the distribution of electrons in an atom of potassium.

Answer»

1. The mass number of potassium (A)= 40

2. The atomic number of potassium (Z)=19

3. The electronic configuration of potassium

= 1S² , 2S²2Ps 3S²3P⁶, 4S₁

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