Chemistry, asked by robloxrave1057, 1 month ago

what is the electronic configuration of atomic number 19 and mass number 40?

Answers

Answered by divyanshidharwal2

your answer is

2,8,8,1

The electronic configuration of the element with Atomic number 19 is 2,8,8,1 or 1s22s22p63s23p64s1 or [Ar]4s1. The element is potassium. It is an alkali metal with one valence electron.

please mark me as brainliest

Answered by samsungalaxyf62

Explanation:

1s² 2s²2p⁶3s² 3p⁶4s¹

1s²2s²2p⁶3s²3p⁶[4s¹]=Argon[4s¹]

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what is the electronic configuration of atomic number 19 and mass number 40?​

Answers

what is the electronic configuration of atomic number 19 and mass number 40?