Question

Use the periodic table to give the symbol of the element that meets the following conditions....

Use the periodic table to give the symbol of the element that meets the following conditions.

The element has six electrons in energy level n=3.

The element has one electron in the 6p sublevel

The element's electrons complete the 7s sublevel.

The element has four 4p electrons.

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Answer #1

The element has six electrons in energy level n=3.

The element is sulfur. Symbol: S

Electron configuration of S : [Ne]3s23p4

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The element has one electron in the 6p sublevel.

The element is thallium. Symbol: Tl

Electron configuration of Tl : [Xe]4f145d106s26p1

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The element's electrons complete the 7s sublevel.

The element is radium. Symbol: Ra

Electron configuration of Ra : [Rn]7s2

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The element has four 4p electrons.

The element is selenium. Symbol: Se

Electron configuration of Se: [Ar]3d104s24p4

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