AQA AS Unit 1 Key Definitions - Flashcards in A Level and IB Chemistry

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Created by: ailisshhh
Created on: 06-03-14 21:22

	8												10

								2		4


	6


						3

				1
		7
	5

										9

Across

1. A free moving electron is said to be (11)
5. Molecules with the same molecular formula, but a different structural formula (6)
6. Larger molecule fractions are broken down into smaller molecules (8)
9. The number of protons and neutrons in an atom (4, 6)

Down

2. The number of atoms in a 12g sample of carbon-12 (8, 8)
3. The unequal sharing of electrons between covelantly bonded atoms (8)
4. The simplest ratio of elements in a compound (9, 7)
7. Atoms of the same element with the same number of protons but a different number of neutrons (7)
8. The proportion of reactants converted into useful products rather than waste products (4, 7)
10. The number of protons in an atom (6, 6)

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