What are the units for molar volume? STP
liters per mole
grams per mole
atoms per mole

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

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold