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3. What is the electron configuration of the following elements?

Lithium
Calcium
Copper
Strontium
Potassium
sodium

User Ludenus
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1 Answer

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Answer: Lithium ( 3),Calcium (20),Copper (29),Strontium (38),Potassium (19),Sodium (11)

Step-by-step explanation:

User Timu
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