When you push down on a block resting on a table, block atoms and table atoms that are in contact with one another

a. move closer to one another

b. break their bonds with one another

c. move past each other

d. maintain their positions

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.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.