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Structure of the Atom Quiz

Class IX
Science
Structure of the Atom
14 questions
MEDIUM

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1. What is the smallest unit of matter that retains the properties of an element?

Molecule · Atom · Compound · Ion

2. Which subatomic particle has a positive charge?

Electron · Neutron · Proton · Nucleus

3. What is the charge of an electron?

Positive · Neutral · Negative · Variable

4. Where are protons and neutrons located in an atom?

In the electron cloud · In the nucleus · In the orbitals · In the valence shell

5. What is the mass of a neutron compared to a proton?

Less than a proton · Equal to a proton · More than a proton · Variable