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WorksheetsHistory of atomic theory by Berlyn Amano
Total questions: 15
Worksheet time: 3mins
Greek word which means indivisible or uncuttable.
Atomos
Atom
Element
Ion
He discovered electrons
J.J. Thomson
John Dalton
Ernest Rutherford
Niels Bohr
This is an experiment conducted on a tube where there are 2 plates with opposite charges in which an electric charge had been released and attracted to the positive plate
Cathode ray tube experiment
Alpha scattering experiment
polonium-beryllium experiment
gold foil experiment
The latest atomic model
planetary model of atom
electron cloud model of atom
nuclear model of atom
plum-pudding model of atom
According to this model of atom, you can tell the exact number of electrons but you cannot tell its exact location
plum-pudding model of atom
electron cloud model of atom
billiard ball model of atom
nuclear model of atom
What is the electronic configuration of Calcium?
1s22s22p63s23p64s2
1s22s22p63s23p63d104s24p64d105s25p64f145d106s1
1s22s22p63s23p64s1
1s 22s 22p 63s 23p 64s 23d 104p 65s 24d 105p 2
What is the electronic configuration of Potassium?
1s22s22p63s23p64s2
1s22s22p63s23p63d104s24p64d105s25p64f145d106s1
1s22s22p63s23p64s1
1s 22s 22p 63s 23p 64s 23d 104p 65s 24d 105p 2
He proposed the quantum mechanical model of atom
Werner Heisenberg
Niels Bohr
Ernest Rutherford
John Dalton
Proton was discovered by
John Dalton
Democritus
Leucippus
Ernest Rutherford
H, O, Li, Ca, K, Rb are all examples of?
Letters
Elements
Compounds
Symbols
the charge of electron is
negative
positive
neutral
the charge of proton is
negative
positive
neutral
the charge of neutron is
negative
positive
neutral
opposite charges attract, like charges repel each other
True
False
He believed that all matter consists of fire, air, earth, and water.
Democritus
Leucippus
Aristotle
John Dalton
