How can we help?

You can also find more resources in our Help Center.

14 terms

Chemistry Scientists Chapters 4&11

STUDY
PLAY
Aristotle
Responsible for summarizing matter
Democritus
First person to coin the term atom ("atomos")
Boyle
Any substance of 2 or more parts is not an element, instead a compound
Lavoisier
Father of modern chemistry, introduced experimentation, said an element only has one component, water is a compound, and a compound = two or more elements
Cavendish
Worked with a gas that made water when it was burned; Lavoisier names it hydrogen or "water former"
Priestly
Worked with a gas that in the presence of water produced an acid, caused candles to burn brighter, and charcoal to burn hotter; Lavoisier names it oxygen or "acid former"
Proust
Found the mass ratio used to create water (8 grams oxygen + 1 gram hydrogen = 9 grams water)
Dalton
First to postulate the atomic theory; thought that water was OH
Gay-Lussac
2 L Hydrogen + 1 L Oxygen = 2 L Water; discovered that hydrogen and oxygen are diatomic elements
Avogadro
At constant temperature and pressure, equal volumes of gases contain the same # of particles
Thompson
Did the cathode ray tube experiment and found that atoms have negative portions and leads to the plum pudding model of the atom (negative particles suspended in a positive field)
Rutherford
Did the gold foil experiment using radiation, gave us the proton
Chadwick
Discovered that neutrons have the same mass as protons, but are a neutral charge
Mendeleeve
Arranged the periodic table, and noticed that the elements have periodic behavior