PDF chapter test TRY NOW
Answer the following questions using the data given below:
1.
| Assertion: | Group \(3\) to \(12\)(d) elements are known as the transition metals. |
| Reason: | d-orbital can accommodate only six electrons. |
2.
| Assertion: | According to Mendeleev, the periodic properties of elements is a function of their atomic number. |
| Reason: | The atomic number is equal to the number of protons. |
