Determine the percent composition of chlorine (cl) in sodium chloride (nacl).

Explanation:

Hello,

In this case, chlorine's percent composition is given by the shown below formula:

Whereas accounts for the number of chlorine atoms into the NaCl, for chlorine's atomic mass and for sodium chloride's molar mass, therefore, the percent composition of chlorine turns out:

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.