marleym321789 marleym321789

02-12-2020
Chemistry

contestada

Use the periodic to fill in the numbers in the electron configurations shown below.

B: 1s2 2sA2pB

A =
2
B =
1
Na: 1s22sC2pD3sE

Respuesta :

02-12-2020

Answer:

B: 1s²2s²2p¹

Na: 1s²2s²2p⁶3s¹

Explanation:

A = 2

B = 1

C = 2

D = 6

E = 1

Hope that helps.

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