Chemistry crossword

4. the ability to change shape or be molded (Gold)
6. the centre of the atom; contains the protons and neutrons
10. positively charged particle found inside the atomic nucleus
12. describes how a substance reacts with another substance
14. combination of symbols that represents a compound; the formula identifies the elements in the compound and the amount of each element
15. contain 1 type of particle
16. change in form but not in chemical composition; no new substances are formed
20. contains 2 or more types of particles
23. the mixture has different parts that cannot be seen
24. a mixture that has two substances dissolved with each other (eg. sugar and water)

1. the mixture has different parts that can be seen
2. can be observed and measured without forming a new substance
3. a stable subatomic particle with a charge of negative electricity.
5. the ability to be stretched into wires (copper)
7. the ability to pass heat or electricity through it
8. all matter consists of many, very small particles which are constantly moving or in a continual state of motion
9. a change in which in one more new chemical substances are formed
11. a mixture that can be separated by mechanical means, such as, using a magnet to separate iron filings from sand
13. the process of decomposing a chemical compound by passing an electric current through it
17. the thing that forms physical objects, has mass and occupies space
18. contain one type of atom
19. contains 2 types of elements
21. uncharged particles in the atomic nucleus
22. used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines
25. an action or condition that has been observed so consistently that scientists are convinced it will always happen