Definitions For AS OCR Chemistry 2016

1. A compound that only contains two elements. (6, 8)
2. A base that dissolves in water and releases hydroxide ions. (6)
4. All carbon atom chains excluding aromatic rings. (9)
5. A group of atomic orbitals with the same principal quatum number. AKA a main energy level. (5)
7. A bond formed by the overlap of two S orbitals, one from each bonding atom, and consists of two electrons with the electron density directly in the middle of the two atoms. (5, 4)

2. Containing carbon atoms joined in a non-aromatic ring. (9)
3. A measure of the attraction between a bonded atom and the electrons in the bond. (17)
6. The bond formed by the sideways overlap of two P orbitals, containing two electrons and with the electron density concentrated above and below the centre of the two bonding atoms. (2, 4)
9. A species that releases H+ ions in solution. (4)
10. A carbon chain that contains one or more benzene rings. (8)

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