Element Quiz Study Sheet - ECHS

Set 1 Element Names and Symbols:

The chemical symbols for an element are composed of one of two letters. The first letter is always capitalized and the second letter if present is always lowercase.

1. Hydrogen - H

2. Helium - He

3. Lithium - Li

4. Beryllium - Be

5. Boron - B

6. Carbon - C

7. Nitrogen - N

8. Oxygen - O

9. Fluorine - F

10. Neon - Ne

11. Sodium - Na

12. Magnesium - Mg

13. Aluminum - Al

14. Silicon - Si

15. Phosphorus - P

16. Sulfur - S

17. Chlorine - Cl

18. Argon - Ar

19. Potassium - K

20. Calcium - Ca

21. Scandium - Sc

22. Titanium - Ti

23. Vanadium - V

24. Chromium - Cr

25. Manganese - Mn

26. Iron - Fe

27. Cobalt - Co

28. Nickel - Ni

29. Copper - Cu

30. Zink - Zn

31. Gallium - Ga

32. Germanium - Ge

33. Arsenic - As

34. Selenium - Se

35. Bromine - Br

36. Krypton - Kr

Set 2 Polyatomic Ions and Names:

A polyatomic ion is a charged chemical species composed of more than one atom.

Example: NO^₂- is Nitrate that is composed of a Nitrogen atom and two Oxygen atoms. It carries a charge of -1.

For easier memorization, an ionic compound's name ends in: -ide if it contains just two elements. -ate if it contains three or more elements, one of which is oxygen. The -ite ending indicates a low oxidation state.

1. C₂H₃0₂ - Acetate

2. NH₄ - Ammonium

3. BO₃ - Borate

4. CO₃ - Carbonate

5. ClO₃ - Chlorate

6. CrO₄ - Chromate

7. CN - Cyanide

8. Cr₂O - Dichromate

9. HCO₃ - Hydrogen Carbonate

10. HSO₄ - Hydrogen Sulfate

11. OH - Hydroxide

12. ClO - Hypochlorite

13. NO₃ - Nitrate

14. NO₂ - Nitrite

15. ClO₄ - Perchlorate

16. MnO₄ - Permanganate

17. PO₄ - Phosphate

18. PO₃ - Phosphite

19. SO₄ - Sulfate

20. SO₃ - Sulfite