Which of the following will sink in a container of mercury with a density of 13.6 g/ml?

a.
zinc, d = 7.14 g/ml

b.
ice, d = 0.92 g/ml

c.
gold, d = 19.3 g/ml

d.
gasoline, d = 0.69 g/ml

In this synthesis reaction what products will form

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.