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in Science by (63.4k points)

From the symbol 17 CI35 state 

(1) mass number chlorine

(2) atomic number of chlorine 

(3) write the distribution of electron in an atom of chlorine.

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1. The mass number of chlorine (A) = 35 

2. The atomic number of chlorine (z)=17 

The number of electron = number of protons = 17 

3. The electronic configuration of chlorine 

= 1S2, 2S22P6, 3S23P5

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