D. the student's conclusion shows experimental bias
Reactivity of Group 1 and 2 elements increases as you go down the periodic table. So sodium is more reactive than lithium. Sodium will react with oxygen forming Na2O (sodium oxide). Lithium forms lithium oxide (Li2O).
The answer is A because it’s how you calculate the mass
They are organized into crystals hope i helped
Answer:
Tile 52 and three are incorrect
Explanation: