Question

Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion?

Answer 1

Answer:

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Answer 2

Answer:

Sodium ion:-

-> A sodium ion is formed when the neutral atom loses an electron. It is clear that a sodium ion has one electron less than the electrically neutral sodium atom. In a sodium ion, the number of protons is more than the number of electrons, which gives the ion an overall positive charge of one unit.

Chloride ion :-

-> A neutral chlorine atom consists of 17 protons and 17 electrons. The positive charge of protons and the negative charge of electrons cancel each other, thus keeping the overall charge on the electrically neutral chlorine atom zero. A chloride ion is formed when the neutral chlorine atom accepts an electron.

Explanation:

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