Unit 1: Foundation Chemistry

Test yourself on AQA AS Unit 1 Chemistry.

1. What is the "Mass number" and what symbol is it represented by?

  • Z, the number of protons and neutrons in the nucleus
  • A, the number of protons and neutrons in the nucleus
  • A, the number of protons in the nucleus
  • Z, the number of protons in the nucleus
1 of 8

Other questions in this quiz

2. What are "Isotopes"?

  • Atoms with the same number of protons but different numbers of neutrons
  • Atoms with the same number of nucleons with different numbers of neutrons
  • Atoms with the same number of protons but different numbers of electrons
  • Atoms with the same number of electrons with different numbers of protons

3. What are the nucleons?

  • Neutrons
  • Protons and Neutrons
  • Neutrons and Electrons
  • Protons and Electrons

4. The general formulae for the number of electrons in each shell:

  • 3n
  • 2n²
  • 2n

5. What is the relative mass of an electron?

  • 0
  • 1/1840
  • 1
  • -1

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Atomic Structure resources »