katelynwojdyla katelynwojdyla

20-10-2020
Chemistry

contestada

Problem:
[Ar]4s2
Identify the period (p) , group (g) and valence electrons block of the element

Respuesta :

dian312 dian312

20-10-2020

Answer:

it is Calcium (Ca)

4th period, 2nd group, 2 valence electrons

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