Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons

Author:R P Rana
8th ICSE
IMPORTANT

Important Questions on Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons

MEDIUM
IMPORTANT
Its All About Science - Chemistry>Atomic Structure>Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons> Q 1

Write the fundamental particles of an atom. Describe each particle in one line.
 

HARD
IMPORTANT
Its All About Science - Chemistry>Atomic Structure>Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons> Q 2

The number of protons, neutrons and orbital electrons in particles A to D are given in the following table

Particle Protons Neutrons Electrons
A 3 4 2
B 9 10 10
C 17 18 17
D 17 20 17

What will be the formula of compound formed by A and B only?

HARD
IMPORTANT
Its All About Science - Chemistry>Atomic Structure>Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons> Q 3

The number of protons, neutrons and orbital electrons in particles A to D are given in the following table.

Particle Protons Neutrons Electrons
A 3 4 2
B 9 10 10
C 17 18 17
D 17 20 17

Choose from the table, which particles represent a cation, an anion, a pair of isotope.

EASY
IMPORTANT
Its All About Science - Chemistry>Atomic Structure>Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons> Q 4

The electron was discovered by

EASY
IMPORTANT
Its All About Science - Chemistry>Atomic Structure>Fundamental (Subatomic) Particles of Atom - Electrons, Protons and Neutrons> Q 5

The fundamental particles of an atom are