An atom of magnesium has an atomic number of 12 and a mass number of 24. how many neutrons are in the neclues

A certain gas is present in a 13.0 l cylinder at 4.0 atm pressure. if the pressure is increased to 8.0 atm, the volume of the gas decreases to 6.5 l.

What types of molecules or compounds dissolve in water? why do they dissolve?

What is the molecular formula of the smallest neutral compound of nitrogen and hydrogen? A. NH B. N3H C. NiH D. NH3

Who discovered proton?

How does paint from car keep it from rusting?

The compound h3po4 is named: a. nitric acid. b. sulfuric acid. c. phosphoric acid. d. ethanoic acid.

What does charles law state

Hf is a stronger acid than nh + 4. which base would be stronger: f - or nh3? 1. f - 2. both bases would be equal in strength. 3. nh3 4. cannot tell from the information given. 5. neither f1 - nor nh3 would be bases.

The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. Calculate the density and molality of the solution.

Whats 2 properties of iron?