Element Symbols for 7th Grade:
Elements are represented by Chemical SYMBOLS – usually 1 or 2 letters. If there is one letter it is
CAPITALIZED, if there are 2 letters – the first is CAPITALIZED, the second is not.
Matter: anything that has mass and takes up space (volume) – it is the “stuff” that everything is made of
Atom: the smallest unit of matter- makes up all matter- building blocks of matter
Element: matter that is made up only 1 type of atom – listed on the Periodic table of Elements
All matter is made of elements or combinations of elements
Molecule: 2 or more atoms of DIFFERENT elements joined together, smallest part of a compound
Compound: 2 or more elements chemically bonded together
1. H = Hydrogen
2. He = Helium
3. C = Carbon
4. N = Nitrogen
5. O = Oxygen
6. Ne = Neon
7. Na = Sodium (from Latin for Natrium)
8. Mg = Magnesium
9. Al = Aluminum
10. P = Phosphorus
11. S = Sulfur
12. Cl = Chlorine
13. F = Fluorine
14. Ar = Argon
15. K = Potassium (from Latin for Kalium)
16. Ca = Calcium
17. Fe = Iron (from Latin for Ferrum)
18. Ni = Nickel
19. Zn = Zinc
20. Cu = Copper (from Latin for Cuprum)
21. Ag = Silver (from Latin for Argentum)
22. Au = Gold (from Latin for Aurum)
23. Sn = Tin (from Latin for Stannum)
24. Pb = Lead (from Latin for Plumbum)
25. Hg = Mercury (from Latin for Hydragyrum)
26. Rn = Radon