How many atoms of each element does calcium sulfate, CaSO4, contain?

The net charge on a sulfide ion (s2-) is - 2. explain how this ion obtains its charge

What's needed to build a neutron atom

At a dosage of 2.8 mg per kg of body weight, how many mg of adrenaline should an 84 kg adult receive.

What is the concentration of 10.00 mL of HBr if it takes 16.73 mL of a 0.253 M LiOH solution to neutralize it?

Decreasing order of C-C bond length is 1) ethene 2) ethyne 3) benzene 4) ethane

What is the difference between hydrostatic pressure and atmospheric pressure?

What is the change in energy? e of the hydrogen atom as the electron makes the transition from the n=3 energy level to the n=1 energy level?

2. What kinds of elements do molecular formulas contain?

NaOH is an organic compound true or false?

Which of these parts of Dalton's Atomic Theory still holds true? * A. All atoms of the same element are identical. B. Atoms can chemically combine in simple, whole number ratios. C. Atoms have three parts. D.