What is a crystal?

a. a type of rock

b. the smallest unit of an element

c. an artificial, decorative substance

d. a solid made of atoms arranged in an orderly fashion

The symbol for xenon (Xe) would be a part of the noble gas notation for the element antimony. cesium. radium. uranium.

A closed container is filled with oxygen. The pressure in the container is 245 kPa. What is the pressure in millimeters of mercury? Express the pressure numerically in millimeters of mercury.

Why do some foods test positive for glucose but don't taste sweet?

A gas has a volume of 1.2l at STP. What will it's volume be if the temperature stays constant and pressure is increased to 2 atm

Both hydrogen sulfide (H2S) and ammonia (NH3) have strong, unpleasant odors. Which gas has the higher effusion rate? If you opened a container of each gas in a corner of a large room, which odor would you detect first on the other side of the room?

What element is likely to form an ionic compound with chlorine?

Will a parachute slow a skydiver more at a very high altitude or a lower altitude?

Carbon monoxide is: Only found in large cities An odorless, colorless, toxic gas Healthy to breath in A danger when driving on the open highway

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

Water is a great solvent. For example, it causes ionic compounds like sodium chloride (table salt) to dissociate. One of these reasons that water does is because it is polar molecule.