| 1 |
An atom containing two electrons. |
- A. Be
- B. Li
- C. H
- D. <div>He</div>
|
| 2 |
How many periods are there in the Periodic Table. |
- A. Five
- B. Six
- C. Seven
- D. Eight
|
| 3 |
Some metals can be pulled into wire This is because metals are. |
- A. Ductile
- B. Solid
- C. Hard
- D. Brilliant
|
| 4 |
Bromine is |
- A. Solid
- B. Gas
- C. Liquid
- D. All of these
|
| 5 |
A metal |
|
| 6 |
Mass number is number of. |
- A. Protons
- B. Neutrons
- C. Both a and b
- D. Electrons
|
| 7 |
An element of the third period is the periodic table. |
|
| 8 |
hardest matter on the Earth is. |
- A. Lead
- B. Diamond
- C. Brick
- D. Urea
|
| 9 |
Ne belongs to |
- A. Nitrogen family
- B. Fluorine family
- C. Noble gases
- D. Alkaline earth metals
|
| 10 |
Hydrogen and nitogen are used for teh manufacturing of. |
- A. Benaspati ghee
- B. Oxygen cylinder
- C. Hydrogen flame
- D. Urea
|