"Chemistry Vocabulary Quiz Review": HTML5 Crossword

Across

2. Occupies space. (6)
7. A solution with more H2 ions. (8)
8. Combination of two or more substances. (7)
9. Connects amino acids to form chains. (11)
11. Amino acids hooked together with peptide bonds. (7,0)
13. Something with more + ions than - ions (4)
14. A change that makes a new substance. (8,6)
16. Tells if something is acid or alkaline. (9,8)
17. One element of hair, a gas. (8)
18. Another gas element of hair (8)

Down

1. Protein of hair. (7)
3. Two or more atoms linked by a chemical bond. (9)
4. Study of matter. (9)
5. An element of hair and H20. (6)
6. Made up of the protein keratin. (4)
9. Changing a substance without making a new one. (8,6)
10. Matter that has weight,volume and shape (5)
12. Atoms in a molecule orbit around this. (7)
15. Smallest unit of an element. (4)