Atomic Structure Quiz

What is the smallest particle of an element that retains the properties of that element?

• Proton

• Compound

• Atom

• Molecule

Who was the first to propose the idea of the atom as indivisible?

• Democritus

• Ernest Rutherford

• John Dalton

• JJ Thompson

Which model suggested that the atom is a solid sphere?

• Electron Cloud Model

• Solid Sphere Model

• Nuclear Model

• Plum Pudding Model

What did JJ Thompson's model propose about the atom?

• Atoms have a dense nucleus

• Atoms are indivisible

• Atoms are solid spheres

• Atoms have positive and negative parts

Who discovered that the number of protons is unique to each element?

• JJ Thompson

• Niels Bohr

• Henry Mosley

• Ernest Rutherford

What does the Bohr model suggest about electron movement?

• Electrons are part of the nucleus

• Electrons travel in fixed orbits

• Electrons are fixed in place

• Electrons move randomly

What is the modern model of the atom called?

• Plum Pudding Model

• Electron Cloud Model

• Solid Sphere Model

• Nuclear Model

What are the three main subatomic particles?

• Protons, Neutrons, Electrons

• Nuclei, Electrons, Photons

• Atoms, Molecules, Compounds

• Quarks, Leptons, Bosons

What force holds the nucleus together despite the repulsion between protons?

• Weak Nuclear Force

• Strong Nuclear Force

• Electromagnetic Force

• Gravitational Force

What is the charge of the electron cloud surrounding the nucleus?

• Negative

• Positive

• Neutral

• Variable