WorksheetsQuiz on Atomic Theory and Structure
Total questions: 14
Worksheet time: 7mins
What is matter defined as?
Anything that has mass and volume
Only solid objects
Only liquids and gases
Anything that can be seen
What are molecules made up of?
Neutrons
Protons
Atoms
Electrons
Who proposed the Solid Sphere Model?
Niels Bohr
Albert Einstein
Ernest Rutherford
John Dalton
What does the nucleus of an atom contain?
Only electrons
Only neutrons
Electrons and protons
Protons and neutrons
What is the charge of a neutron?
Variable charge
Negative charge
No charge
Positive charge
What is the atomic number?
The number of protons in the nucleus
The sum of protons and neutrons
The total mass of an atom
The number of electrons in an atom
How many electrons can the first energy level hold?
32 electrons
8 electrons
2 electrons
18 electrons
What is the mass of electrons compared to protons?
Equal
Negligible
Greater
Significant
Which element is represented by the symbol 'N'?
Neon
Sodium
Nitrogen
Nickel
What is the relationship between mass number and atomic number?
They are unrelated
Mass number equals atomic number
Atomic number is the sum of protons and neutrons
Mass number is the sum of protons and neutrons
What is the outermost energy level of an atom limited to?
32 electrons
8 electrons
2 electrons
18 electrons
What did Ernest Rutherford introduce?
Quantum Model
Nuclear Model
Solid Sphere Model
Planetary Model
What is the main purpose of fertilizers?
To eliminate pests
To improve agricultural productivity
To reduce soil acidity
To increase water retention
Which particle has a positive charge?
Proton
Neutron
Electron
All of the above
