At a nuclear power plant, workers wear protective clothing and dosimeters to measure their exposure to radiation, the nuclear fuel is held in an airtight steel
vessel, and the reactor is covered with reinforced concrete. All of these
efforts work to:
A. cool the nuclear fuel.

B. contain the radiation.

C. preserve the nuclear fuel to allow time for half-life decay.

D. absorb the free neutrons.

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.

i believe the answer is three water molecules