It is anything that has mass and takes up space
Matter
Cutting a sheet of paper, breaking a crystal and crumpling an aluminum foil are examples of _______ changes in matter.
Physical
Triple Points!!!
These are the two kinds of pure substances
Elements & Compounds
It is the process in which solids are separated from a liquid or a gas
Filtration
Which atomic particles form the nucleus within an atom?
Protons & Neutrons
In this state of matter the particles are tightly packed
Solid
A process that involves one or more substances changing into new substances is called a _______ change
Chemical
In a ________, two or more substances are physically mixed, but not chemically combined.
Mixture
Double Points!!!
Water, gasoline and whiskey are examples of products obtained from which process?
Distilation
Triple Points!!!
Who was the scientist that confirmed Democritus atomic model?
John Dalton
Double Points!!!
It is a characteristic that can be observed or measured without changing the sample’s composition
Physical Propertie
It is the phase change in which matter goes from liquid to gas
Evaporation
In this type of mixture, the components have a uniform composition throughout the sample and cannot be seen at simple sight
Homogeneous Mixture
Is the technique of separating two or more dissolved solids which are present in a solution in a very small quantity
Chromatography
Who was the scientist postulated the Plum Pudding model?
JJ Thomson
It is the ability of a substance to combine with or change into one or more other substances
Chemical Property
Double Points!!!
It is the phase change in which matter goes from gas to liquid
Condensation
In this type of mixture, the components do not have a uniform composition and can be seen at simple sight.
Heterogeneous Mixture
Table salt and sugar are examples of products obtained from which process?
Crystallization
Who was the first scientist to discover the existence of the nucleus inside the atom?
Ernest Rutherford
These properties are dependent on the amount of matter
Extensive Properties
It is the phase change in which matter goes from gas to solid
Deposition
Is air a pure substance?
No
Why do different components on a mixture travel at different speeds when they are raised up by water on a paper chromatography?
Because of their different solubility levels
Who was the first scientist that stated electrons moved around the nucleus in orbits of fixed sizes and energies?
Niels Bohr