Why did Aristotle oppose Democritus' views?

They opposed his own writing on nature

What is Heisenberg's "Uncertainty Principle"?

An object cannot be measured without being disturbed

What type of relationship did Dmitri Mendeleev suggest?

A relationship between atomic mass and properties

What did Henry Moseley suggest about the structure of particular atoms?

Atoms have a unique number of protons by element

What did Robert Andrews Millikan discover?

The charge and mass of an electron

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History of the Atomic Model: Scientists

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A history of the atomic model, containing information on structure, and the people that created these models, from past to present.

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Questions 14

Answers

1
According to Dalton's theory, all atoms of a particular _______ are identical.
Element
Mass
Color
Weight
2
What is the meaning of Avogadro's Number?
The size and volume of a proton
The size and volume of the average atom
The size and volume of an electron
The size and volume of a mole
3
What did Louis De Broglie make great contributions to?
Wave mechanics
The calculation of atomic mass
The formation of the periodic table
The development of the mole
4
Why did Aristotle oppose Democritus' views?
There was direct evidence contradicting them
They opposed his religion
They opposed his own writing on nature
The government condemned them
5
Who created the "Plum pudding" model of the atom?
J. J. Thomson
Max Planck
Aristotle
John Dalton
6
According to Ernest Rutherford, an atom is made of mostly.....
Neutrons
Empty Space
Quarks
Electrons
7
What is the meaning of "Atomos"?
Indivisible
Concealed
Very small
Relating to the elements
8
Who developed the Electron Cloud Model?
Erwin Schrödinger
John Dalton
Amedeo Avogadro
Henry Moseley
9
What is Heisenberg's "Uncertainty Principle"?
The number of electrons in an atom cannot be determined
An object cannot be measured without being disturbed
Changes in mass can make atomic movement unpredictable
The atomic number is necessary to identify an element
10
What type of relationship did Dmitri Mendeleev suggest?
A relationship between density and properties
A relationship between atomic number and mass
A relationship between atomic mass and properties
A relationship between charge and density
11
What did James Chadwick discover?
The concept of proton decay
The charge of a Neutron
The charge of a proton
The Neutron
12
What did Henry Moseley suggest about the structure of particular atoms?
Atoms have a unique number of electrons
Atoms have a unique mass by element
Atoms have a unique number of protons by element
Atoms can only have one charge
13
According to Planck, how can matter gain or lose energy?
Through the deletion of electrons
In the form of quanta
Through ionic bonding
In the form of quarks
14
What did Robert Andrews Millikan discover?
The atomic mass and charge of carbon
The Element of Oxygen
The charge and mass of an electron
The charge of a proton

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