What did Democritus teach?

A that all matter was composed of tiny atoms

B that all mater was composed of earth, fire, water, and air

C that atoms could be divided into smaller particles

D that experiments should be done in a systematic way

Which statement accurately describes the location and charge of the electrons in an atom? The electrons are inside the nucleus and have no charge The electrons are outside the nucleus and have no charge The electrons are inside the nucleus and have

Compare the movements and positions of people dancing with motions the water molecules in liquid water and water vapor

Name the following compound. CH-CH-CH-CH-O-C6H5 a. cyclohexylbutyl ether b. butylcyclohexyl ether c. phenylbutyl ether d. butylphenyl ether

15 facts about water density experiment

Pioneer species move into an area after which event

Which of the following correctly compares the radii of Cl and Cl-? Cl has a larger radius than Cl - because Cl has an additional energy shell. Cl has a smaller radius than Cl - because Cl has an expanded electron cloud.

When a stretched string is vibrated up and down with a particular frequency, it causes a standing wave to be produced.

Find the concentration of a solution with 30 grams of solute in 250 grams of solution.

What unit is used to measure cell potential? A. electron Kelvin oxidation number OD. volt

What term is used to describe a testable modle