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100
When volume is constant than pressure and temperature are proportional.
What is Charles's law
100
A pure-substance; composed of one type of atom.
What is element
100
the amount of force exerted on an object
What is pressure
100
Gold-foil experiment, discovered protons
What is Ernest Rutherford
100
A neutral charged particle in the nucleus of an atom
What is Neutron
200
When pressure is constant than volume and temperature are proportional.
What is Gay-Lussacs law
200
the combination of 2 or more elements.
What is compound
200
Both chemical and Physical properties - used to describe
What is Characteristic properties
200
Created an electron orbital model
What is Niels Bohr
200
A component of an element having the chemical properties of the element
What is Atom
300
When temperature is constant than pressure and volume are inversly proportional.
What is Boyl's law
300
2 or more substances that are not chemically combined.
What is mixture
300
A scientist from the time of Greece who thought that atoms were the smallest particles of matter
What is Democritus
300
Discovered the neutron
What is James Chadwick
300
Center of an atom made of protons and neutrons
What is Nucleus
400
The movement of molecules.
What is temperature
400
Theory that molecules never stop moving.
What is Kinetic Molecular Theory.
400
Father of the modern atomic theory
What is John Dalton
400
A negatively charged particle that circles around the nucleus of an atom.
What is Electron
400
The area in which it is most possible for an electron to appear
What is Electron Cloud
500
a type of matter of definite chemical composition.
What is substance
500
Matter can not be created or destroyed.
What is Law of the conservation of matter
500
He made the "plum pudding" model that showed the electrons inside a positive substance. Discovered the electron.
What is JJ Thomson
500
A positively charged particle that is found in the nucleus of an atom
What is protons
500
The path in which electrons orbit
What is Orbit