History of Chemistry
He came up with the 4 element theory
Who is Empedocles?
This model describes atoms as hard, indivisible spheres.
What is the billiard ball model?
H
What is hydrogen?
The location in the atom where protons are found.
What is the nucleus?
The columns in the periodic table.
What are families/ groups?
This word means 'indivisible'.
What is atomos?
This atomic model describes atoms as a positive material is little negative 'chunks'.
What is the plum pudding or raisin bun model?
Na
What is sodium?
The charge on a proton.
What is positive?
The family with only one valence electron.
What are the alkali metals?
They tried to find the elixir of life, a universal solvent, and change one element into another.
Who are the Alchemists?
This atomic model describes atoms with a positive center and electrons orbiting around.
What is the nuclear model?
P
What is phosphorus?
The location in the atom where neutrons are found.
What is the nucleus?
The family with a full valence shell.
What are the noble gases?
The scientist who isolated oxygen.
Who is Joseph Priestly?
This atomic model has electrons orbiting at specific energy levels.
What is the planetary model?
Fe
What is iron?
The charge on an electron.
What is negative?
The family with 7 valence electrons.
What are the halogens?
The scientist who identified 23 different elements.
Who is Antoine Lavoisier?
This atomic model has electrons filling orbitals with 2 on the first, then 8, then 8.
What is the Bohr model?
W
What is tungsten?
The number of protons in chlorine.
What is 17?
The rows in the periodic table.
What are periods?