What is the meaning of the following terms: matter, element, atom, proton, neutron, electron, atomic number, mass number, atomic weight, dalton, isotope, radioisotope, transmutation, half-life, orbital, valence, valence shell, valence electrons, reactant, product, molecule, compound, ion, cation, anion.
What elements make up most of the mass of living organisms?
What is the mass and charge of the subatomic particles?
What roles do protons, neutrons and electrons play in an atom?
What is the octet rule?
How many electrons can each of the first 3 electron shells hold?
How can you figure out the number of electrons, protons, and neutrons in an atom if you are given the mass number and atomic number?
What is the valence of H? O? N? C?
Describe, and know the difference between, ionic bonds, covalent bonds, hydrogen bonds, Van der Waals interactions? Which of these bonds is strong? Weak?
How can you figure out what kind of ion an atom will produce by using the octet rule?
What is the difference between single, double, and triple covalent bonds?
What is the difference between a nonpolar and polar covalent bond?