Basic Chemistry

2. ionic chloride form, extracellular anion
5. necessary for nerve impulses and muscle contraction
8. carbohydrate, lipid, proteins, and nucleic acid
10. positive charge
14. tiny particles that make up matter
15. symbol H and atomic number 1
17. atomic number 7
18. basic building block of all matters
20. required for muscle attraction,neural transmission, and blood cotting
21. electrically charged, different number of protons and electrons, has 1 or more atoms

1. also known as atomic symbol
3. negative charge
4. symbol C and atomic number 6
6. important for functional thyroid hormones
7. forms as salt, presented in nucleic acid and proteins
9. component of proteins
11. symbol O and atomic number of 8
12. transports oxygen within red blood cells & enzymes
13. uncharge, neutral charge
16. important for water balance, nerve impulses, and muscle contraction
19. present in bones, important for enzyme activities and metabolic reaction