Properties Of Matter
What is Density?
The property of a substance that describes how much mass of a substance is contained in a given volume of space of that substance.
A change that produces one or more new substances (e.g., burning, rusting).
Chemical Change
Who was the Greek philosopher who proposed that everything is made of tiny, indestructible particles called atomos? (meaning "indivisible")
Democritus
Determining the number of protons in an atom is called....
Atomic Number
Who was the scientist who helped build the atomic bomb for the U.S
J. Robert Oppenheimer
What is the State of Matter?
The property of a substance that determines whether or not it is a liquid, solid, or gas.
A representation used to explain the structure and properties of matter at different scales
Model
Which Greek Philosopher believed matter was made up of 4 elements: Water, fire, earth, and wind?
Aristolte
Atomic Number = Protons = Electrons = Mass Number- Atomic Number = Neutrons or
Ape Man
Who was known as the "father of the atomic bomb?"
J. Robert Oppenheimerwh
What is the property of a substance that describes how shiny or lustrous it is?
Luster
A repeating arrangement of atoms in a solid
Extended Structure
Which subatomic particles are found in the nucleus of an atom?
Both Protons and Nuetrons
Atoms of the same element that have a different number of neutrons are called...
Isotopes
What science did Oppenheimer do to make the atomic bomb?
Nuclear Fission
What is the property of a substance that describes whether or not it is reactive with water?
Reactivity with Water
Characteristics that can be observed without changing the substance
Physical Properties
In the nucleus of an atom, the mass is the greatest because...
Protons and Neutrons are located inside, and they are the largest subatomic particles.
If an atom has 10 electrons, how many protons does it have?
10 Protons
What was the test? Did Oppenhemeir call
THe trinitty Test
What is the property of a substance that describes how easily it can pour or how thick it is?
Viscosity
Matter is not created or destroyed in physical or chemical changes
Law of Conservation of Mass
What is the basic unit (or smallest piece) of a chemical element?
Atom
(For 600 points) An isotope has three forms. 30% have a mass of 4 amu, 20% have a mass of 5 amu, and 50% have a mass of 3 amu. Average atomic mass will be closest to....
4 amu (Atomic Mass unit)
For 1,000 points, what is the highest subatomic particle?
Neoutron