Collaborate One of the most important things a scientist can do is work together with other scientists.
Why do you think this would be important?
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Conning of

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

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.