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प्रश्न
What are horizontal rows and vertical columns in a periodic table known as?
उत्तर
The horizontal rows are known as periods and vertical columns in the periodic table are known as groups.
संबंधित प्रश्न
Write the names given to the vertical columns and horizontal rows in the Modern Periodic Table. How does the metallic character of elements vary on moving down a vertical column? How does the size of atomic radius vary on moving left to right in a horizontal row? Give reason in support of your answer in the above two cases.
Name the metals in the first twenty elements.
Name the noble gas with 3 shells.
State the modern periodic law.
Give the symbol and valency of the following element and radical.
Aluminium
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
Give the symbol and valency of the following element and radical.
Sulphite
The element which has the least tendency to lose electrons is ______
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its electronic configuration.
