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प्रश्न
Name two elements in Inert gas.
उत्तर
Neon and Argon.
संबंधित प्रश्न
How do the atomic radii of elements change as we go from left to right in a period of the periodic table?
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
Give the symbol and valency of the following element and radical.
Carbonate
Give the chemical formula of sodium bicarbonate
The K and L shells of the elements Na and Mg contain electrons.
Elements in the modern periodic table are arranged in ______groups and______ periods.
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
Which of the following elements does not lose an electron easily?
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has variable valency and is a member of the Oxygen family (group 16).
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
