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Which of the ...

Question

Which of the following elements has 17 electrons and 17 protons?

Sodium

Sulphur

Aluminium

Chlorine

A

Sodium

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B

Sulphur

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C

Aluminium

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D

Chlorine

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Solution

The correct option is D
Chlorine

The atomic number of chlorine is 17. So, it has 17 electrons and 17 protons.

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Similar questions

Identify the element which has 17 electrons and 17 protons?

Q. Statement 1 : The isotope Cl-37 has 17 protons, 17 neutrons, and 17 electrons.
Statement 2 : The atomic mass of chlorine is 35.43 amu.

Q. An atom of an element contains

17

18

17

electrons. Which of the following will be the atomic structure of another isotope of this element?

Q. An atom has 17 electrons, 17 protons, 18 neutrons. Therefore which of the following is/are true?
(a) Its atomic number is 17
(b) Its mass number is 35

Q. When an ionic bond forms, eg Na and Cl, one electron is transferred to chlorine by sodium. It forms one positive ion Na+ and negative ion Cl-. But what happens to protons of both these elements, and no of proton and electron should be equal, now sodium has only 10 electron but 11 protons and chlorine has 10 electron but 9 protons ??? Didn't atoms need to be as a whole neutral?

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