The atomic number of chlorine is 17 and mass number is 35. a) What would be the electronic configuration of a negatively charged chloride ion,Cl? b) What would be the atomic number and mass number of Cl?

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Solution

1. Electronic Configuration of Cl^- :

1s²2s²2p⁶3s²3p⁶

2. Atomic number of Cl is 17
Mass number of Cl is 35

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The atomic number of chlorine is 17 and mass number is 35. a) What would be the electronic configuration of a negatively charged chloride ion,Cl? b) What would be the atomic number and mass number of Cl?

1. Electronic Configuration of Cl- : 1s22s22p63s23p6 2. Atomic number of Cl is 17 Mass number of Cl is 35

1. Electronic Configuration of Cl^- :

1s²2s²2p⁶3s²3p⁶

2. Atomic number of Cl is 17
Mass number of Cl is 35