Whan a purfume bottle is opened som liquid changes to gas and the fragrance spreads the room. which sentance explains this?

How many valence electrons are in two fluorine atoms

Which subatomic particles have a mass of approximately 1 atomic mass unit each?

Which is more stable? half filled or full filled? Why is it more stable?

How can the compound conditional expression ((average > 79 && average < = 89)) be written to eliminate the logical operator - without changing the logic?

What branch of science is concerned with the interaction between matter and electromagnetic radiation? chemistry physics spectroscopy geology

Mixture's and solutions

What is half-life? a.) the time it takes for a radioactive atom to lose half its electrons b.) the time it takes for half of any number of radioactive atoms to decay c.) the average time it takes for any element to disappear completely d.

Water molecules are made of slightly positively charged hydrogen atoms and slightly negatively charged oxygen atoms. which force keeps water molecules stuck to one another?

Which can be used to prevent initial entry of bacteria into the body

Which statememt describes gravity? Select three options