Basic Atoms
What is an electron?
The negative subatomic particle
Same number of protons, different number of neutrons
What is an isotope?
When an atom has 8 electrons in its valence shell
What is octet rule?
Group 1A
What is an Alkali Metal?
What are Protons and neutrons?
The 2 subatomic particles with very similar Atomic Mass Units
Negative Ion
What is an anion?
The outer layer of an electron
What is a valence shell?
Energy required to remove an electron from an atom
What is ionization energy?
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 5s2
What are orbitals?
Lowest amount of energy for an electron
What is ground state?
Created the first successful periodic table
Who is Dimitri Mendeleev?
The mass of the products must equal the mass of the reactants in a chemical reaction.
What is the Law of Conservation of Mass?
The numbered group of Halogens
What is group 17?