| 1 |
In .... elements are arranged in order of increasing atomic numbers. |
- A. Group
- B. Period
- C. Orbit
- D. Shell
|
| 2 |
Element present in grops have same number of ....... in their outermost shell. |
- A. Electron
- B. Proton
- C. Atoms
- D. Neutron
|
| 3 |
Formula showing maximum number of electrons in a shell. |
- A. n2
- B. 2n2
- C. 3n2
- D. 4n2
|
| 4 |
--------------- are fundamental particles of an atom. |
- A. Electron
- B. Proton
- C. Neutron
- D. All of these
|
| 5 |
The charge present on atom is |
- A. Positive
- B. Negative
- C. Both a and b
- D. Neutral
|
| 6 |
The negetively charged particle arod nucleus are called. |
- A. Electron
- B. Proton
- C. Atom
- D. Neutron
|
| 7 |
Atomic number of element presetnin period 2 and group 15 of the periodic table. |
|
| 8 |
The total numebr of electrons which M shell can accommodate |
|
| 9 |
The maximum numebr of electrons that N-Shell accomodate are. |
|
| 10 |
The mass of an atom is almost due to the. |
- A. Electron
- B. Proton
- C. Nucleus
- D. Neutrons
|
