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Question

Identify the element which has 17 electrons and 17 protons?


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Solution

Identifying the element with 17 electrons and 17 protons:

Atomic number: The atomic number(Z) of an atom is equal to the number of electrons or protons present in the neutral state of an atom.

Atomic number = Number of protons = Number of electrons

Given,

Number of protons = 17

Number of electrons = 17

Hence, the atomic number of element = 17

Now, the element with atomic number 17 is ChlorineCl.

The electronic configuration of chlorine is 1s22s22p63s23p5.

Chlorine is a disinfectant and it is used to treat drinking water and swimming pool water.

Therefore, the element which has 17 electrons and 17 protons is ChlorineCl.


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