A-Level UK (AQA, Edexcel, OCR) · Chemistry
Atomic structure and bonding
8 practice questions, each with the answer and an explanation.
Practise Atomic structure and bonding now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 8 questions
- What is the electron configuration of an Fe2+ ion?
- Why is the first ionisation energy of aluminium lower than that of magnesium?
- Magnesium has isotopes 24Mg (79.0%), 25Mg (10.0%) and 26Mg (11.0%). What is its relative atomic mass to 2 decimal places?
- What are the shape and bond angle of a water molecule?
- Why do ionic compounds conduct electricity when molten but not as solids?
- Carbon dioxide has polar C=O bonds but is a non-polar molecule. Why?
- Why does hydrogen fluoride have a higher boiling point than hydrogen chloride?
- The mass spectrum of bromine, Br2, (79Br and 81Br about equally abundant) shows molecular ion peaks. At which m/z values and in what ratio?
Keep practising
More A-Level UK (AQA, Edexcel, OCR) topics
- Organic chemistry: structure and reactions23 questions
- Kinematics and forces (mechanics)20 questions
- Statistics and probability20 questions
- Inorganic and physical chemistry17 questions
- Mechanics and materials17 questions
- Algebra and functions14 questions
- Differentiation and integration12 questions
- Waves and optics12 questions