A pure chemical substance that consists of one type of atom is called a(n

The ph of carrots are 5.0 how it is classified a. acidic b. basic c. indicator d. neutral

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

How can the periodic table be used to predict the behavior of elements?