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10. If the electron configuration of an element of an atom is 1s²2s²2p63s²3p5
What is the element called?
A Bromine
B. Chlorine
C. Iron
D. Phosphorous​


Sagot :

Answer:

B. Chlorine

Explanation:

The electron configuration for chlorine is 1s2 2s2 2p6 3s2 3p5.