C4 0.0 / 5 ? ChemistryC4GCSEOCR Created by: mazzamarmarCreated on: 17-05-16 12:20 10425361789 Across 1. Spiltting up a chemical using electricity (12) 4. An uncharged particle found in the nucleus of an atom (7) 5. A charged particle (atom or molecule) (4) 6. A pure substance made of one type of atom (7) 8. A description of the way a property increases/decreases along a series of elements/compounds (5) 9. A group of atoms joined together (8) Down 2. Tiny particles in atoms found outside the nucleus. They have negligible mass and a negative charge (8) 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) 7. A region of space around a nucleus of an atom, where there can be electrons (5) 10. The number of protons in the nucleus of an atom (6, 6)
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