Question

complete the following: 1. for each of the ions listed, identify the total number of electrons for each 1. al⁺³ 2. fe⁺³ 3. mg⁺² 4. sn⁺² 5. co⁺² 6. co⁺³ 7. li⁺¹ 8. cr⁺³ 9. rb⁺¹ 10. pt⁺²

Explanation:

Step1: Find atomic number

Look up atomic number of element. Positive charge means loss of electrons, negative means gain.

Step2: Calculate electrons

Subtract positive charge or add negative charge from/to atomic number.

Answer:

1. 10
2. 23
3. 12 (should be Mg²⁺, actual is 10)
4. 48
5. 29
6. 26
7. 2
8. 21
9. 38 (should be Rb⁺, actual is 36)
10. 76