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प्रश्न
What is the number of elements is 1st period the modern periodic table?
उत्तर
The number of elements in 1st period is 2 in the modern periodic table.
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संबंधित प्रश्न
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Fill in the following blank with suitable word:
The horizontal rows in a periodic table are called ...............
Name the scientist who prepared modern periodic table.
What is a group in the periodic table?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Name the noble gas with 3 shells.
Give the symbol and valency of the following element and radical.
Hydrogen
State the number of elements in Period 2 of the Periodic Table.
The element which has the least tendency to lose electrons is ______
What is the symbol of the element Tungsten?
