(tco 2) an atom has 6 protons, 8 neutrons, and 6 electrons. its atomic mass is

14 Explanation: Mass number: the total number of protons and neutrons in a nucleus.

Mass number = Protons + Neutrons = 6 + 8 = 14

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

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.