Across
- 2. a solid that can be stretched in a long wire
- 3. substance that reacts with other substances
- 10. pure substance formed when at least one metal and non metal is combined
- 11. the result of when all substances are accounted for
- 15. describes the physical appearance and composition
- 16. group 1 elements in the periodic table not including hydrogen the most reactive of the metals
- 18. a compound that has been electorally charged
- 19. change of the state or apperance
- 22. dull brittle element that does not conduct electricity
- 23. a experiment where the substances can escape or new substances can enter
Down
- 1. group of 17 metals in the periodic table
- 4. the result of when to or more substances react to make a new substance
- 5. positively charged centre of a atom
- 6. a reaction the takes place when two or more substance react to form a new substance
- 7. ability of a substance to conduct electricity or heat
- 8. vertical column of element in the periodic table
- 9. substance made of only one kind of matter
- 12. process in which molecules move from an area higher to lower concentration
- 13. anything that has a mass and occupies space
- 14. shiny malleable ductile element and non metallic properties
- 17. number of protons in the nucleus of one atom of an element
- 20. vertical column of element in the periodic table
- 21. amount of gas in a given volume of a substance