The three major groups p

On the periodic table are the

How do decomposers break down waste material and and the remains of dead organisms? A. They release enzymes onto them B. They chew them up with their teeth C. They allow the wind and rain to do it D. They tear them apart with their claws

Completely reacting 150.0 g of a substance with oxygen releases 395.1 J of energy. How much energy would be released if 450.0 g of the substance completely reacted with oxygen?

Why do particles move faster in a gas than a solid?

how many orbitals are in the 3d sublevel?

SI units are the modern form of?

Which of the following radioactive emissions is the least penetrating, aloha particles, beta particles or gamma rays

The three major groups p On the periodic table are the

Which of the following has the greatest mass, in grams? a. 1 atom of lead (Pb) b. 0.5 mol copper (Cu) atoms c. 0.3 mol gold (Au) atoms d. 25 atoms of mercury (Hg)

Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

Which group is more reactive than the alkaline earth metals?