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प्रश्न
State the group and period, of the element having three shells with three electrons in valence shell.
उत्तर
If there are three shells, the element belongs to the third period. An element with three valence electrons belongs to the 13 group.
संबंधित प्रश्न
Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
What is a group in the periodic table?
An element X belongs to 3rd period and group 2 of the periodic table. State:
(a) number of valence electrons
(b) valency
(c) metal or non-metal
(d) name of the element
Name two elements in each case: Lanthanides
What is the main characteristic of the last element in each period of the periodic table?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
State the modern periodic law.
Give the symbol and valency of the following element and radical.
Bisulphate
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Define periods of modern periodic table.
