Anatural sample of neon has a relative atomic mass of 20.2. what is the mass number of the most common type of atom in the sample of neon?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

37.0 °c = °f (human body normal temperature)

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two