IB Chemistry HL 1.3 Electron Configurations Question Bank

Practise IB Chemistry HL 1.3 with evidence-led questions on electron configurations, spectra, orbitals and ionisation energy.

Exam points

HL syllabus objectives and definitions
HL extended quantitative relationships and units

Covered syllabus points

1.3.1—Emission spectra 1.3.2—Hydrogen emission spectrum 1.3.3—Main energy levels 1.3.4—Sublevels 1.3.5—Orbitals and electron spin 1.3.6 (HL)—Ionization energy (IE)1.3.7 (HL)—Successive ionization energies

[Maximum number: 1]

Carbon is produced by fusion reactions in stars.

Outline how the spectra of light from stars can be used to detect the presence of carbon.

[Maximum number: 3]

Magnesium is a group 2 metal which exists as a number of isotopes and forms many compounds.

(a)

Magnesium ions produce no emission or absorption lines in the visible region of the electromagnetic spectrum. Suggest why most magnesium compounds tested in a school laboratory show traces of yellow in the flame.

[ 1 ]

(b)

Explain the convergence of lines in a hydrogen emission spectrum.

[ 1 ]

(c)

State what can be determined from the frequency of the convergence limit.

[ 1 ]

[Maximum number: 1]

What is the maximum number of electrons in energy level n=4 ?

All question bank results loaded

Covered syllabus points

1.3 Electron configurations question 1

1.3 Electron configurations question 2

Question (a)

Question (b)

Question (c)

1.3 Electron configurations question 3