Two hydrogen atoms form a hydrogen molecule, H₂.
Which statement explains why the two atoms are held together in the molecule?
The shared pair of electrons is attracted to both nuclei
The two electrons in the shared pair are attracted to each other
One electron is transferred completely from one atom to the other
The shared pair of electrons is attracted to only one nucleus
122 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.