How many electrons will be in the second shell of sodium that has an atomic number of 11?

8 electrons

Explanation:

Sodium (Na) has atomic number 11, hence, 11 electrons. The electron configuration is: 1s²2s²2p⁶3s¹. This means the first shell (1s) has 2 electrons. The second shell (2s and 2p) has a total of 8 electrons.

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.

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