What did the gold foil experiment help conclude?

atom is mostly empty space with tiny positive and dense center (nucleus)

Measured the charge of the electron using oil drop experiment

Concluded the atom has negetively charges particles that he named electrons

Proposed relationship between quantum of energy to frequency of radiation

uncertainty principal- it is hard to find position and velocity of e-

Suggested e- are waves confined to space around atomic nucleus

discovered the proton and developed the atomic #

Concluded there are two kinds of electrical charge + and -

said that electromagnetic radiation has a dual-wave particle nature

Developed an equation that treated electrons in atoms as waves

all matter is made up of tiny invisible particles called atoms

Joseph Louis Proust said..?

Proposed Law of Definite Proportions

Michael Faraday said...?

suggested the structure of an atom is related to electricity

proposed atomic theory of matter in 1803

proposed law of conservation of mass

describes the physical properties of nature at small scales

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History and the Development of Modern Chemistry

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Quiz on historical chemists and their experiments that shape modern chemistry today.

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Answers

1
What did the gold foil experiment help conclude?
atom is mostly empty space with tiny positive and dense center (nucleus)
concluded the atom has negetively charged particles called electrons
electromagnetic radiation
help model electrons in an orbit called the planetary model
2
James Chadwick
discovered neutrons
discovered radioactivty
discovered the proton
discovered mathematically the wave properties of electrons
3
Henri Becquerel
discovered oxygen
proposed law of conservation of mass
discovered radioactivity
discovered E=hv
4
Robert Millikan
developed uncertainity principal no exact position/velocity of atom
Measured the charge of the electron using oil drop experiment
proposed law of conservation of mass
concluded there are - charged particles
5
J.J Thomson
concluded there were two kinds of electrical charge + and -
described mathematically the wave properties of electrons
Concluded the atom has negetively charges particles that he named electrons
proposed law of conservation of mass
6
Max Planck
proposed model of which electrons travel around nucleus in orbits
Proposed relationship between quantum of energy to frequency of radiation
proposed that all matter is made up of tiny particles called atoms
concluded two types of charge + and -
7
Werner Heisenberg
discovered radioactivity
uncertainty principal- it is hard to find position and velocity of e-
proposed E=hv
discovered neutrons
8
Rutherford
Gold Foil Experiment
Cathode Ray Experiment
Oil Drop Experiment
Kite and Electricity Experiment
9
Louis de Broglie
Suggested e- are waves confined to space around atomic nucleus
proposed atomic theory of matter
discovered oxygen
developed uncertainty principal
10
Henry Moseley
discovered the proton and developed the atomic #
proposed gold foil experiment and that atom is just empty space
discovered oxygen
suggested e- are waves confined to the space around atomic nucleus
11
Joseph Priestly
discovered oxygen
developed the equation that treated electrons in atoms as waves
discovered radioactivity
measured charge of the electron using the oil drop experiment
12
Benjamin Franklin
proposed E=hv
discovered neutrons
discovered radioactivity
Concluded there are two kinds of electrical charge + and -
13
Albert Einstein
said that electromagnetic radiation has a dual-wave particle nature
discovered protons
concluded the atom has - charged particles called electrons
measure charge with oil drop experiement
14
Erwin Schrodinger
discovered radioactivity
introduced idea of dual wave nature of the atom
Developed an equation that treated electrons in atoms as waves
suggested structure of atom is related to electricity
15
Democritus said..?
discovered radioactivity
discovered oxygen
proposed atomic theory of matter
all matter is made up of tiny invisible particles called atoms
16
Niels Bohr's model states that
all of the above
electrons move in orbits
the atom is mostly empty space
the nucleus contains protons and neutrons
17
Joseph Louis Proust said..?
measured charge of the electron using oil drop experiement
described mathematically the wave properties of electrons
Proposed Law of Definite Proportions
e- are waves confined to the space around nucleus
18
Michael Faraday said...?
proposed law of conservation of mass
measured the charge of an oil drop experiment
electrons are waves confined to the space around the nucleus
suggested the structure of an atom is related to electricity
19
John Dalton
discovered radioactivity
discovered oxygen
proposed atomic theory of matter in 1803
proposed E=hv
20
Antoine Lavoisier
proposed law of definite proportions
discovered oxygen
proposed law of conservation of mass
proposed the equation E=hv
21
The quantum theory.
describes the physical properties of nature at small scales
that the Earth's solid outer crust, the lithosphere, is separated in plates
IDK
determines that the laws of physics are the same for non-accelerating thing

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