C4 0.0 / 5 ? ChemistryC4GCSEOCR Created by: mazzamarmarCreated on: 17-05-16 12:20 3104271589 Across 1. Spiltting up a chemical using electricity (12) 3. An uncharged particle found in the nucleus of an atom (7) 8. A pure substance made of one type of atom (7) 9. Tiny particles in atoms found outside the nucleus. They have negligible mass and a negative charge (8) Down 2. The smallest particle of an element (4) 3. The tiny central part of an atom made of protons and neutrons. Most of the mass of an atom is concentrated in its nucleus (7) 4. A description of the way a property increases/decreases along a series of elements/compounds (5) 5. A region of space around a nucleus of an atom, where there can be electrons (5) 7. A group of atoms joined together (8) 10. A charged particle (atom or molecule) (4)
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