______ is one of the earliest forms if chemistry. This form combines religion, science, philosophy, and magic. It developed in Alexandria, Egypt; China; and Greece after the sixth century.
Alchemy
100
___ was the first to classify chemical substances into mineral, vegetable, animal, and derivative groups.
Ar-Razi
100
____ states that all substances in the universe are made of particles that could not be broken down farther.
The Atomic Theory of Matter
100
_____ is the study of compounds without carbon.
Inorganic Chemistry
100
Galileo developed a _____, a precursor to the thermometer.
Thermoscope
200
______ states that an object placed into a liquid seems to loose an amount of weight equal to the amount of fluid it displaces.
Law of Buoyancy called Achimedes Principle
200
____ believed that theory must be supported by experimentation. He also discovered that there is an inverse relationship between the volume of gas and its pressure.
Robert Boyle
200
___ developed the Atomic Theory of Matter.
Democritus
200
____ is the study of substances containing carbon.
Organic Chemistry
200
Joseph Priestly conducted a research on gases and discovered what would later be called ____. He found that materials would burn readily on ___.
Oxygen
300
The Atomic Theory of Matter, which states that all substances in the universe are made of particles that could not be broken down farther. These particles were later called _____, which is a Greek word meaning "indivisible." This particle can not be created or destroyed.
Atoms
300
_____ is considered the founder of modern chemistry because of his strict approach to research.
Antoine-Laurent Lavioisier
300
____ states that matter is made of molecules.
Molecular Theory of Matter
300
____ deals with the study of heat, electricity, and other forms of energy in chemical processes.
Physical Chemistry
300
Joseph Priestly discovered what we now know as ___. He discovered that fermentation of grain gave off a gas heavier than air and put out fire.
Carbon Dioxide
400
Democritus explained that atoms could not be created or destroyed but could be rearranged in different combinations. This was the beginning of the _____.
Law of Conservation of Mass and Energy
400
____ published an atomic theory suggesting that each element was made up of a certain kind of atom and each was different from each other.
John Dalton
400
The Atomic Theory of Matter was later called atoms. Which is a Greek word meaning ___.
"Indivisible"
400
Sir Davy discovered sodium and potassium by running electricity through substances containing them. What is this process called?
Electrolysis
500
In the 1500s, knowledge of chemistry was used to fight diseases. In the 1500s and 1600s some alchemists were called _____. ______ had begun to study the chemical effects of medicines on the body.
Iatrochemists
500
____ proposed the first model of the atom to incorporate quantum physics.
Niels Bohr
500
Democritus also explained that atoms could _____.
( two things )
Not be created nor destroyed
500
Friedrich Wohler and Justus von Liebig discovered that the ___ organization of atoms within a molecule was important in determining the kind of substance that it made.