Chemistry, asked by theamazingmysterio, 10 months ago

Please answer fast please
Need help in chemistry

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Answered by pujithavanarasa
1

》》The 19th atom is Potassium.

》》It has an electronic configuration of- 2, 8, 8, 1

》》electronic configuration in SPDF- 1S2 2S2 2P6 3S2 3P6 4S1 (if u were taught in this method go with this, if not the 1st one)

》》It has 1 valence electron!

Hope this helps you

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