Practice IB Chemistry Topic S1.2 the Nuclear Atom with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for S1.2 the Nuclear Atom and mirrors Paper 1A, 1B, 2 style where relevant.
Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.
Which of the following explains why high-resolution mass spectrometry can distinguish between and ?
Which statement best explains why isotopes of the same element may differ in physical properties but not chemical properties?
What is the symbol for an isotope with 17 protons and 18 neutrons?
Which property of isotopes is always the same?
Which statement correctly describes the relative mass and charge of a neutron?
They differ in charge
They have different atomic numbers
They have different numbers of protons
They have different mass-to-charge ratios
Isotopes have different proton numbers, affecting reactivity
Isotopes have different numbers of electrons, altering bonding
Isotopes have different mass numbers, affecting intermolecular interactions
Isotopes have different nuclear charges, affecting ion formation
Number of neutrons
Mass number
Physical properties
Chemical properties
Mass = 0, Charge = 0
Mass = 1, Charge = +1
Mass = 1, Charge = 0
Mass = 0, Charge = -1
