An ion is an atom with a net electrical charge due to ______.
2 answers:
Explanation:
Loss of one or more electrons by a neutral atom will help the neutral atom to acquire a positive charge.
For example, atomic number of sodium is 11 and to stabilize itself it needs to lose one electron. So, by losing an electron it will change into ion.
On the other hand, gain of one or more electrons by a neutral atom will help the neutral atom to acquire a negative charge.
For example, Cl has atomic number 17 and to fill its octet completely it need one more electron. So, by gaining an electron is will change into ion.
Therefore, we can conclude that an ion is an atom with a net electrical charge due to loss or gain of electrons.
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Mass of chlorine = (given)
Molar mass of chlorine =
Now, number of moles is defined as the ratio of given mass in gram to the molar mass of the compound.
Number of moles =
Number of moles of chlorine =
=
Now, according to significant figure rules, the least number of significant figure in the question identifies the number of significant figures in the solution.
Thus, in question, both digit have four significant figures, therefore, the answer must be in four significant figures.
Hence, number of moles of chlorine =