Atoms 0.0 / 5 ? ChemistryAtomsAtoms and compoundsGCSEAQA Created by: Former MemberCreated on: 15-05-16 00:56 93748121056 Across 1. action of changing a gas to liquid (10) 5. typical number of electrons the first shell can hold (3) 6. In a covalent bond, what do atoms do with their electrons? (5) 7. name of a proton's charge (8) Down 2. name of an electron's charge (8) 3. What type of chemical bond would you expect in water? (8) 4. region where protons and neutrons are held (7) 8. number of neutrons in hydrogen (4) 9. an atom is the smallest unit of... (6) 10. another word for energy level (5)
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