Position of Elements in the Modern Periodic Table
Position of Elements in the Modern Periodic Table
Position of the Elements in the Modern Periodic Table:
In order to find the position of an element in the periodic table, first write its electronic configuration then find period and group number from its electronic configuration in the following way:
Which of the following are correct : (a) The period number of an element is equal to the number of electron shells in its atom. (b) If two (or more) elements have the same number of valence shells, then they belong to the same period of the periodic table. (c) If two (or more) elements have the same number of valence shells, then they belong to the different period of the periodic table. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following is correct : (a) Ionic bond is formed when there is transfer of electrons from metal to non-metal. (b) Covalent bond is formed when there is sharing of electrons between two non-metals. (c) Lanthanoides and actinoides are kept at the bottom of the periodic table. | |||
| Right Option : D | |||
| View Explanation | |||
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