Across
- 5. A negatively charged particle that comprises the external part of the atom
- 6. atom attractions that form substances
- 8. The internal part of an atom. It is composed of neutrons and protons
- 9. A substance in which the atoms of 2 or more elements are combined
- 11. flexibility of a substance to be molded or shaped
- 13. The substances produced at the end of the reaction
- 14. Point The point in temperature when the solid starts to liquefy
- 15. An uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
Down
- 1. solution solution that uses water as the solvent
- 2. Table a table of the chemical elements arranged in order of atomic number
- 3. A fragment of a chemical component constituting the tiniest quantity able to be associated with another element
- 4. an atom or molecule that has gained or lost one or more electrons.
- 7. A substance that is present at the start of a chemical reaction and is used or consumed during the reaction
- 10. A set of at least two atoms, identical or not, chemically attached to each other
- 12. A particle that makes up the nucleus of an atom and has a positive charge identical to that of the electron