Chemistry Crossword

4. is anything that has mass and takes up space
8. this chemistry is the study of chemicals containing carbon
9. An element
10. the best known compound
11. An element that possesses characteristics that fall between those of chlorine and iodine.
14. A compound with C6H14O6 molecular formula and structural formula below
16. the first element on the periodic table
18. It seeks to create chemical products and processes that are not only environmentally friendly but also socially responsible and economically viable.
20. the positive particle in an atom
21. An asymmetric carbon atom (chiral carbon) is a carbon atom that is attached to four different types of atoms or groups of atoms.
22. the negative particle in an atom

1. chemistry, (chemistry and physics).
2. two or more elements bonded together
3. A set of principles that guide the design and the development of safer chemical products and processes by reducing or eliminating the use and production of hazardous substances.
5. the things on the periodic table
6. (Chemistry and biology).
7. Used in several industries like oil refineries and chemical plants mainly for purification and separation of many organic compounds
12. A solution that can resist pH change upon the addition of an acidic or basic components
13. a helium nuclei
15. the centre of an atom
17. chemistry, (medicine and chemistry).
19. this is a reaction that release energy