Across
- 2. - the part of the solution that is mixed into the solvent (NaCl in saline water)
- 6. split of a large nucleus, creates energy and radiation
- 8. change change of size, shape, or state
- 9. Oxidation of metals in the presence of air and moisture.
- 11. - a chemical element in its smallest form
- 13. - of or pertaining to the atomic nucleus
- 16. - mixture of evenly dispersed substances
- 18. Change A change in which one or more new substances are formed.
- 20. Anything that has mass and occupies space.
- 21. earth metals - the metals of Group 2 on the periodic table
- 24. gases - group 18 elements, those whose outer electron shell is filled
- 26. resource that can be replaced in a short period of time
- 29. - the centre of an atom made up of neutrons and protons, with a net positive charge
- 32. two or more substances combined
- 34. An atom or a group of atoms that carries an electric charge.
- 35. electron - the outermost electrons of an atom, which are located in electron shells
- 36. - a substance that is made up of two or more chemically bonded elements
- 39. - a neutral unit or subatomic particle that has no net charge
Down
- 1. Mass per unit Volume: D=MV
- 3. - material with definite chemical composition
- 4. resistance to flow
- 5. - a chemically bonded number of atoms that are electrically neutral
- 7. - homogeneous mixture made up of multiple substances. It is made up of solutes and solvents.
- 8. rows on the periodic table, 1-7
- 10. chemical reaction when something is exposed to oxygen
- 12. combining two small nucleus, creates energy
- 13. resource that takes a long period of time to be produced
- 14. – a chemical reaction between an oxidant and fuel with heat and often light
- 15. - an element which is not metallic
- 17. A substance that cannot be decomposed into simpler substances by chemical means, an atom that is defined by its atomic number
- 19. - a positive unit or subatomic particle that has a positive charge
- 22. atoms containing the same number of protons but different numbers of neutrons.
- 23. particles - particles that are smaller than an atom; examples are protons, neutrons and electrons
- 25. columns and period table, 1-18
- 27. orbits - an orbital around the atom's nucleus that has a fixed number electrons (usually two or eight)
- 28. metals - the metals of Group 1 on the periodic table
- 30. reaction- ongoing series of of fission reactions
- 31. - the part of the solution that dissolves the solute (H2O in saline water)
- 33. - the process of an unstable atomic nucleus losing energy by emitting radiation
- 37. resource- occurs in nature used for enjoyment
- 38. fuel- fuel made from decaying plants and animals