The mass number is

A. use the atomic number

B. mass number - atomic number

C. number of protons and neutrons in an atom

some classmates conducted an experiment to find out which brand of paper towels is the strongest. you find out that they didnt try to control any variables write a few sentences explaning why they cannot draw any useful conclusions from their

A bond type with a difference in electro negativity of less than 0.4 would be classified as ... ?

What is penetration? How is it related to shielding? Use the penetration effect to explain the difference in relative orbital energies of a 3p and a 3d electron in the same atom.

Which metal (s) can be oxidized with a sn2 + solution but not with an fe2 + solution? (hint: the reactions are occurring under standard conditions.) ?

This problem has been solved! See the answer Determine Um (mode), average U, and Urms for a group of ten automobiles clocked by radar at speeds 38,44,48,50,55,55,57,58 and 60mi/h respectively

In a cooking context, which of the following materials is the best heat conductor? A. Any dense liquid B. Iron C. Gas D. Glass

When you open a bottle of soda, bubbles of carbon dioxide start appearing. Is this a chemical or physical change and why?

Al2 (SO3) 3 what are the number of atoms

How marly electrons are in an atom of elemental sodium?

Petroleum and coal can be mined from the continental shelf. t/f