In what order were the subatomic particles discovered?

An order for a medication reads: Give 20.0 mg per kilogram of body weight. How much medication should be given to a toddler patient weighing 33 lb? (1 kg = 2.20 lb)

the density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. Calculate the mass of 37.5 mL of the liquid.

What is the compound formula for lithium chlorate?

Change 21.2 ºC to Kelvin.

An atom has 36 protons, 36 electrons, and 52 neutrons. What is the mass of this atoms?

What is the correct name from the polyatomc cation NH4+

What is the correct symbol for the element sodium?

Do the elements Al, Si, P and Cl represent a group, a period, neither, or both?

Mercury has a density of 13.6 g/mL. What is the specific gravity of 125 g of mercury?