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WorksheetsAtomic structures
Total questions: 12
Worksheet time: 6mins
What is a atom?
An atom is a chemical substance
An atom is a material which is used to build something.
An atom is the smallest unit of ordinary matter that forms a chemical element.
None of these
What Atom is this?
(a)
What are the molecules present in an atom?
Proton, Neuron, Electron
Cathode, Proton, Neutron
Electrode, Neutron, Proton
Proton, Neutron, Electron
Who discovered the nucleus of an atom?
J.J Thomson
Ernest Rutherford
John Dalton
None of these
What is the electronic configuration of potassium? (No ions)
2,8,8,1
2,8,8
2,7,3
2,8,8,4
What is an Ion?
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
A molecule with no charge
A chemical element
Who created the plum pudding model?
(a)
What is the outer layer of a atom called?
(a)
What are Isotopes?
Define positive charged molecules?
Neutrons
Protons
Electrons
Define negative charged particle?
Electrons
Neutrons
Protons
What else do you know?
