Chemisty

3. How something may look
4. bonding the formation of a bond between two or more atoms,
5. a substance made by mixing other substances together.
6. point the temperature at which a given solid will melt.
8. a substance formed from the combination of two or more metals
9. The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
12. occurs in the cells of all living organisms. It reacts oxygen and sugar to produce carbon dioxide and water
15. two or more elements that have chemically joined together.
16. It is shiny or dull
18. conductivity it allows electricity to flow through it
22. A hard solid that normally melts at high temperatures.
23. the quality of being pliable and flexible
25. occurs when bonds are broken and/or formed between molecules or atoms
27. A substance where atoms are spread out
28. A substance where atoms are less compact
29. a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.

1. the smallest particle of a chemical element that can exist.
2. a slow chemical reaction between metals and oxygen to produce a metal oxide
4. a chemical reaction with a Hydrocarbon and Oxygen
7. anything that takes up space and can be weighed
10. the quality or state of being strong
11. the degree of compactness of a substance.
13. a group of atoms bonded together
14. the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions,
17. an essential or characteristic part of something abstract.
19. A hard substance with compact atoms
20. You can flatten it with a hammer into a thin sheet or squish.
21. the condition of the system at a given time
24. reaction he processes by which chemicals interact to form new chemicals with different compositions
26. a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts.