Decide which element probably has a density most and least similar to the density of lithium.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating