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Chemistry Fsc Part 1 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Two electrons in the same orbital have. |
<p>Same Spin</p> <p>Differece spin</p> <p>May same or different</p> <p>Parallel spin</p> |
| 2 | The value of 'm" cannot be |
<p>Fractional</p> <p>Zero</p> <p>Positive</p> <p>Negative</p> |
| 3 | Orbital having same energy are called. |
<p>Hybrid orbials</p> <p>Valance orbitals</p> <p>Degenerate orbitals</p> <p>d-orbital</p> |
| 4 | An oribtal cna accommodate how many electrons. |
<p>1</p> <p>2</p> <p>3</p> <p>4</p> |
| 5 | s-subshell has.............orbital |
<p>1</p> <p>2</p> <p>3</p> <p>4</p> |
| 6 | How many subshells are present in M-Shell |
<p>1</p> <p>2</p> <p>3</p> <p>4</p> |
| 7 | Formula for calculating the value of (Azimuthal quantum number) |
<p>n+1</p> <p>n-1</p> <p>n+2</p> <p>2n2</p> |
| 8 | The value for (n) Principal quantum numebr can not be. |
<p>0</p> <p>1</p> <p>2</p> <p>3</p> |
| 9 | 1st ionization energy is. |
<p>Exothermic </p> <p>Endothermic</p> <p>Both</p> <p>Depend upon atom</p> |
| 10 | If we remove electrons from an atom until the nucleus is left, then it is called. |
<p>Ionization energy</p> <p>Ionization potential</p> <p>Successive ionization energy</p> <p>All</p> |
| 11 | Mass of neutron in amu is. |
<p>1.0073</p> <p>1.0067</p> <p>1.0087</p> <p>1.0000</p> |
| 12 | Atoms having same atomic mass but different atomic numebr are called. |
<p>Isobars</p> <p>Isotopes</p> <p>Isotones</p> <p>Isoelectrons</p> |
| 13 | Atom having same atomic numebr but different mass numebr are called. |
<p>Isotopes</p> <p>Isotones</p> <p>Isobars</p> <p>Isoelecrons</p> |
| 14 | How many electron presetn in Cl are. |
<p>17</p> <p>18</p> <p>19</p> <p>35</p> |
| 15 | Number of neutrons present in Cl are |
<p>18</p> <p>17</p> <p>19</p> <p>25</p> |
| 16 | Square root of the freuency of X-rays is............atomic number |
<p>Directly proportional to</p> <p>Inversely Proportional to</p> <p>Equal to</p> <p>Half of</p> |
| 17 | How many unparied electrons are present in an atom of cobalt. |
<p>Two</p> <p>Three</p> <p>Four</p> <p>Five</p> |
