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WorksheetsAtomic Theory
Total questions: 15
Worksheet time: 8mins
Who is considered the father of the nuclear age?
Ernest Rutherford
The Greek philosopher Democritus
J. J. Thompson
John Dalton
How did Werner Heisenberg's wave theory explain the movement of the electron?
The location of the electron cannot be pinpointed at any given time it can only be shown to exist in a range of locations.
The electron has a certain path it always follows around the nucleus of the atom.
The electron is a myth.
The electron is like a moth flittering around a light bulb.
Where is/are proton(s) found in the atom?
The outer shell of the atom.
orbiting the nucleus of the atom
in the nucleus of the atom
protons do not exist in the real world
Which is true about the atom?
Protons=negatively charged
Neutrons=negatively charged
Electrons=positively charged
Protons=neutrally charged
Neutrons=negatively charged
Electrons=positively charged
Protons=positively charged
Neutrons=negatively charged
Electrons=neutrally charged
Protons=positively charged
Neutrons=neutrally charged
Electrons=negatively charged
Who was the person that came up with the chocolate chip cookie model of the atom?
Ernest Rutherford
The Greek philosopher Democritus
J. J. Thompson
John Dalton
Neils Bohr came up with which model of the atom?
The chocolate chip cookie model.
The planetary model.
The quantum model.
The spaghetti and meatballs model.
Who was the Quaker teacher that proved Democritus' theory of the atom?
Ernest Rutherford
The Greek philosopher Democritus
J. J. Thompson
John Dalton
If the atomic number of an atom is 4, how many protons does it have?
3
5
6
4
The number of neutrons in the nucleus of an atom can be determined by subtracting the atomic mass from its atomic number.
True
False
Who was the person that came up with the idea that all things are made of tiny particles he called "atomos"?
Ernest Rutherford
The Greek philosopher Democritus
J. J. Thompson
John Dalton
Take a look at the diagram of the atom. What would the atomic number of this atom be?
5
7
3
6
About how many atoms make up your body?
7 million, million, million, million
7 thousand
7 billion, billion, billion
7 hundred
Protons and neutrons have the same weight and electrons are 2,000 times lighter than a proton or neutron.
True
False
If John Dalton was able to devise an experiment in 1808 proving Democritus' theory of the atom from 440 BCE, how many years did it take for Democritus to be proven right?
580 years
1,580 years
2,248 years
5,000 years
Where is the majority of the mass found in the atom?
The outer shell
The nucleus
The orbiting electrons
The atom has no mass
