Electrons and the Periodic Table

Question 1

Use the periodic table to answer the following questions.How many valence electrons does magnesium have?

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2

Question 2

Type in the correct values to correctly represent the valence electron configuration of magnesium: AsB A =

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3

Question 3

B =

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2

Question 4

What is the charge of a magnesium ion? +

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2

Question 5

Use the periodic table to answer the following questions.How many valence electrons does oxygen have?

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6

Question 6

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop-down menus.The number of valence electrons from the left to right across a period.

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increases

Question 7

The number of valence electrons from the top to the bottom of a group.

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stays the same

Question 8

Electrons are added into the outermost in Groups 1 and 2.

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s orbital

Question 9

Electrons are added in the outermost in Groups 3 through 12.

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d orbital

Question 10

Electrons are added in the outermost in Groups 13 through 18.

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p orbital

Electrons and the Periodic Table Answers

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