To find the number of protons, neutrons, and electrons in a particular atom, you must know the mass number and the atomic number of the atom

The number of outer shell electrons determines the chemical properties of an element? a. True b. False

Matter is - A. destroyed by a black hole. B. transformed but never destroyed. C. created by the sun. D. destroyed but never created.

How does the internal structure of the Earth affect the surface of the planet?

How dose hydroelectric conserve energy

Why do some elements (ex: Neon) have a large number of spectral lines, compared to Hydrogen?

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?