Font size
WorksheetsAtomic Model
Total questions: 18
Worksheet time: 11mins
An atom is electrically neutral because
the numbers of protons and neutrons are equal.
the numbers of protons and electrons are equal.
neutrons balance the protons and electrons.
Who is the person credited with the formation of the "plum pudding" model?
Thomson
Rutherford
Bohr
Dalton
Where is number two pointing at?
Nucleus
Protons
Neutrons
Electron cloud
Where is number one pointing at?
Nucleus
Protons
Neutrons
Electron cloud
Which of the following statements are true about the electron cloud?
It is neutrally charged
It is negatively charged
It is almost empty space
It contains most of the mass of the atom
The smallest unit of an element that maintains the properties of that element
proton
atomic mass unit
electron
atom
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
proton
neutron
electron
nucleus
A subatomic particle that has no charge and is found in the nucleus of an atom
proton
neutron
electron
nucleus
Found that atoms are tiny, hard, and uncuttable.
Schrodinger
Rutherford
Democritus
Thomson
Which subatomic particle determines an atom's identity?
Proton
Neutron
Electron
Nucleus
