8. Group 1A metals are more reactive than group 2A metals. Hence, you might suspect that
elements become less reactive as atomic number increases in a period on the periodic table. Do
the transition metals you studied in this experiment support this assumption? Be specific!

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