FeaturesHow It WorksFor ParentsPricingContactLog inStart free — no credit card needed →

Chemistry · Unit 1 · Properties and structure of atoms · Atomic structure

Explain that the emission spectrum of hydrogen provides evidence for the existence of electrons in discrete energy levels (Bohr model), which converge at higher energies.

Practise this objective

AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.

Start free practice

Practice questions for this objective

Full questions, answers and worked solutions unlock when you start a free practice session.

Question 1

Explain how the line spectrum produced by excited hydrogen atoms provides evidence that electrons exist in discrete energy levels.

Worked answer
🔒 Start free to see full answer
Unlock all 1 answers — free

More in Atomic structure

← Previous
Explain that the ability of atoms to form chemical bonds, is related to the arrangement of electrons in the atom and the stability of the valence electron shell.
Next →
Explain that the relative atomic mass of an element is the ratio of the weighted average mass per atom of the naturally occurring form of the element to 1/12 the mass of an atom of carbon-12. Analytical techniques
All LOs in Atomic structureBack to full Chemistry syllabus