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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 antimony ion?

$Sb^{-}$

$Sb^{+}$

$Sb^{3+}$

$Sb^{3-}$

$Sb^{2-}$

Question 1 of 12

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2. What is the symbol for a beryllium ion?

$Be$

$Be^{+}$

$Be^{2-}$

$Be^{0}$

$Be^{2+}$

Question 2 of 12

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3. What is the symbol for a magnesium ion?

$Mg^{-}$

$Mg^{2+}$

$Mg^{3+}$

$Mg^{3-}$

$Mg^{+}$

Question 3 of 12

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4. What is the symbol of a phosphorus ion?

$P^{-}$

$P^{2-}$

$P^{2+}$

$P^{ }$

$P^{3-}$

Question 4 of 12

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5. How many occupied electron shells does magnesium have?

3

1

4

6

2

Question 5 of 12

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6. How many occupied electron shells does nickel have?

3

2

1

7

4

Question 6 of 12

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7. How many occupied electron shells does sodium have?

6

5

4

3

1

Question 7 of 12

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8. How many occupied electron shells does potassium have?

2

3

1

6

4

Question 8 of 12

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

2

7

5

4

8

Question 9 of 12

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

2

7

4

5

3

Question 10 of 12

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

5

6

2

4

3

Question 11 of 12

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

6

4

5

8

3

Question 12 of 12

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