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Nataly [62]
3 years ago
13

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

Chemistry
1 answer:
12345 [234]3 years ago
7 0

Answer:

B: 1s²2s²2p¹

Na: 1s²2s²2p⁶3s¹

Explanation:

A = 2

B = 1

C = 2

D = 6

E = 1

Hope that helps.

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