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08-08-2021
Chemistry

contestada

3. An atom
OF
elemente A has mass number 39 and 19 protons
Write the electron arrangement of the atom

Respuesta :

08-08-2021

Answer:

Explanation:

Potassium (K) atom has 19 electrons. The full electron configuration of Potassium (K) is 1s22s22p63s23p64s1

Principal energy level

Quantum number: n

1

2

3

4

5

6

Sublevels

availableQuantum number: l

1s

2s 2p

3s 3p 3d

4s 4p 4d 4f

5s 5p 5d 5f 5g

6s 6p 6d 6f 6g 6h

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