In a displayed formula, what does each line between atoms mean?
A hydrogen bond - a transferred hydrogen atom.
A covalent bond - a shared pair of electrons.
An ionic bond - a transfer of electrons.
A metallic bond - a shared pair of protons.
Flashcards for CIE IGCSE Chemistry Formulae, functional groups and terminology, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6. 24 cards, matched to the CIE IGCSE Chemistry (0620) specification.