| Atomic Theory | Subatomic Particles | Atomic Structure | Scientists | Odds and Ends |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
The greek philosopher Democtritus coined what term for a tiny piece of matter that cannot be divided?
The greek philosopher Democtritus coined what term for a tiny piece of matter that cannot be divided?
atom
According to John Dalton's theory, when elements combine in a compound...
According to John Dalton's theory, when elements combine in a compound...
the ratio of their masses are always the same.
Who provided evidence for the existence of the nucleus in an atom?
Who provided evidence for the existence of the nucleus in an atom?
Ernest Rutherford
J.J. Thomson's experiments provided evidence that an atom...
J.J. Thomson's experiments provided evidence that an atom...
contains negatively charged particles.
In Niel Bohr's model of the atom, elctrons move like what?
In Niel Bohr's model of the atom, elctrons move like what?
planets orbiting the sun.
Which subatomic particle has a negative charge?
Which subatomic particle has a negative charge?
electron
Which subatomic particle has a positive charge?
Which subatomic particle has a positive charge?
proton
Which subatomic particle has a neutral charge?
Which subatomic particle has a neutral charge?
neutron
Protons and neutrons have about the same mass. True or False?
Protons and neutrons have about the same mass. True or False?
True
Electrons are how many times smaller than protons and neutrons?
Electrons are how many times smaller than protons and neutrons?
about 2000 times
What two things does an element's Atomic Number tell you?
What two things does an element's Atomic Number tell you?
Number of protons and electrons
To find the number of neutrons in an tom, you would do what?
To find the number of neutrons in an tom, you would do what?
Subtract Atomic Number from Mass Number.
What happens when an electron moves to a higher energy level?
What happens when an electron moves to a higher energy level?
The electron gains energy.
What is unique for any given element?
What is unique for any given element?
Number of Protons
The glowing of a neon light is caused by electrons doing what?
The glowing of a neon light is caused by electrons doing what?
Emitting energy as they move from higher to lower energy levels.
Which philosopher thought that matter was made up of four elements--earth, air, fire, or water?
Which philosopher thought that matter was made up of four elements--earth, air, fire, or water?
Aristotle
Which scientist proposed that electron move around the nucleus like planets move around the sun?
Which scientist proposed that electron move around the nucleus like planets move around the sun?
Bohr
Which scientist observed that elements always combine in the same ratio to form a particular compound?
Which scientist observed that elements always combine in the same ratio to form a particular compound?
Dalton
Which scientist concluded that all the atoms of a single element have the same mass?
Which scientist concluded that all the atoms of a single element have the same mass?
Dalton
Rutherford's gold foil experiment provided evidence for the existencefor what?
Rutherford's gold foil experiment provided evidence for the existencefor what?
a dense, positively charged mass in the center of the atom.
What two subatomic particles are found in the nucleus of an atom?
What two subatomic particles are found in the nucleus of an atom?
Protons and Neutrons
Where are electrons found?
Where are electrons found?
Outside the nucleus
List the 6 parts that make up the atom.
List the 6 parts that make up the atom.
nucleus, protons, electrons, neutrons, energy levels, electron cloud
How many electrons can occupy each orbital?
How many electrons can occupy each orbital?
2
How many energy level will a carbon atom have? (hint: The atomic number is 6)
How many energy level will a carbon atom have? (hint: The atomic number is 6)
2
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