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Write the electron configuration of the element fitting each of the following descriptions. a. The group 2A element in the fourth period b. The noble gas in the fifth period c. The group 2B element in the fourth period d. The group 6A element in the second period

Respuesta :

Answer:

a. Calcium: [Ar]4s^2

or 1s^2 2s^2 2p^6 3s^2 3p^6 (= Argon) 4s^2

b. Xenon

c. Zinc

d. Carbon

Explanation:

Group 2A = Alkaline Earth; period 4 shows that the element will be calcium.

To write the Electron Configuration we remember that Columns 1&2 and Helium represent the s-orbital which holds a maximum of 2 electrons. Columns 13 through 18 fill the p-orbital.

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Answer:

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