Atoms, elements and compounds
90 past-paper questions on Atoms, elements and compounds · examined 2023–2025.
20258 questions
The electronic structures of two atoms, P and Q, are shown. P and Q combine together to form a compound. What is the type of bonding in the compound, and what is the formula of the compound?
The electronic configuration of an ion is 2,8,8. What could this ion be?
The table shows the nucleon number and the number of neutrons in one atom of isotopes W, X, Y and Z. Which statement about W, X, Y and Z is correct?
Which statement about an ionic bond is correct?
Which row describes simple molecular compounds?
Boron nitride is a compound of the elements boron and nitrogen. It has a similar structure to diamond. What is likely to be a property of boron nitride?
Which statement defines the term molecular formula?
Which row gives the number of protons, electrons and neutrons in an atom of zinc?
You're viewing 8 of 90 questions
Free members see the first 8. Join Learning DEN Pro to unlock all 90 questions on this chapter — plus AI topical search, downloadable topical PDF packs, and examiner marking on any answer. From $9/month.
Don't just read the solution — get your own answer marked
Write your answer to any Chemistry past-paper question, photograph it, and Learning DEN marks it like a real examiner — marks awarded, where you lost them, and your predicted grade. 3 free gradings to start.