Atomic structure Quiz

Protons are

• +ve charged particles

• _ve charge particles

• neutral charged particles

Electrons are

• -ve charged particles

• +ve charged particles

• Neutral

Neutrons are

• +ve charged particles

• -ve charged particles

• neutral

An atom is

• +vely charged

• _vely charged

• neutral

An ion is a

• neutral atom

• charged atom

Atomic number is the number of

(a)  

Isotopes are atoms of the same elements that have different number of

(a)  

Which of the particles in an atom has a negligible mass?

• protons

• electrons

• neutrons

Each isotope has a different

• relative atomic mass

• atomic number

An atom of lithium has 3 protons, its nucleon number is 7.

How many electrons does it have

• 3

• 7

• 4