Chemistry Match it Set 40

Chemistry Match it Set 40

1.
1. Element             a. Earth’s crust
2. Oxygen              b. Copper
3. Mercury             c. metalloid
4. Germanium        d. pictorial symbols
5. Alchemist           e. liquid
Ans: 1-b,2-a,3-e,4-c,5-d
 
2.
1. John Dalton                   a. electrons
2. cathode rays                  b. protons
3. Hydrogen ions                c. meteorologist
4. William Crooke               d. Zinc sulphide
5. fluorescent material        e. Discharge tube
Ans: 1-c,2-a,3-b,4-e,5-d