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Valence Electrons and Ions Practice

You will need a Periodic Table for these practice questions.

1. What is the symbol of a arsenic ion?

$As^{3+}$

$As^{+}$

$As^{-}$

$As^{3-}$

$As^{0}$

Question 1 of 12

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2. What is the symbol of a iodine ion?

$I^{-}$

$I^{2+}$

$I^{3-}$

$I^{2-}$

$I^{0}$

Question 2 of 12

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3. What is the symbol of a nitrogen ion?

$N^{2-}$

$N^{2+}$

$N^{ }$

$N^{0}$

$N^{3-}$

Question 3 of 12

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4. What is the symbol for a beryllium ion?

$Be^{+}$

$Be$

$Be^{0}$

$Be^{2+}$

$Be^{-}$

Question 4 of 12

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5. How many occupied electron shells does astatine have?

2

1

6

4

7

Question 5 of 12

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6. How many occupied electron shells does Plutonium have?

2

1

5

7

3

Question 6 of 12

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7. How many occupied electron shells does rubidium have?

1

5

4

6

3

Question 7 of 12

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8. How many occupied electron shells does nickel have?

5

4

1

2

6

Question 8 of 12

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9. How many valence electrons does a neutral atom of barium have?

1

6

3

2

4

Question 9 of 12

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10. How many valence electrons does a neutral atom of sulfur have?

4

6

3

5

2

Question 10 of 12

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11. How many valence electrons does a neutral atom of nitrogen have?

1

2

5

8

7

Question 11 of 12

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12. How many valence electrons does a neutral atom of iodine have?

7

6

2

1

8

Question 12 of 12

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