Which of the following is a property of atoms? A. They are very small.

B. They do not take up space.

C .They have no mass.

D. They have a large volume.

a

Explanation:

atom is the smallest unit of matter.

atom make up all the matter around us.

atom are made up of 3 particles:protons,neutrons,electrons

atom occupies space

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

the awnser is group 12