The Atom and Atomic Models

The Atom and Atomic Models Quiz

Spec 4.4.1 · AQA GCSE Physics: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. An atom's nucleus is made up of:

    • A. Protons and electrons
    • B. Protons and neutrons
    • C. Neutrons and electrons
    • D. Electrons only

  2. 2. Atomic number is defined as the number of:

    • A. Neutrons
    • B. Protons
    • C. Protons and neutrons
    • D. Electrons and neutrons

  3. 3. Two atoms of the same element have different numbers of neutrons. They are:

    • A. Ions
    • B. Isotopes
    • C. Compounds
    • D. Isomers

  4. 4. What evidence led scientists to replace the plum pudding model with the nuclear model?

    • A. The discovery of the electron
    • B. The alpha particle scattering experiment
    • C. The discovery of radioactivity
    • D. Measuring atomic mass

  5. 5. An atom loses two outer electrons. What does it become?

    • A. A neutral atom
    • B. An isotope
    • C. A positive ion with charge +2
    • D. A negative ion with charge −2

Quiz