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प्रश्न
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
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उत्तर
The tabular arrangement of elements in horizontal rows and vertical columns periodic table.
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संबंधित प्रश्न
(b) What is the number of elements is 3rd period, the modern periodic table?
Correct the statement.
Copper and zinc are representative elements.
Name two elements in each case:
Actinides
Give the symbol and valency of the following element and radical.
Aluminium
Give the chemical formula of sodium nitrate
State what the group number in the Modern Periodic Table signifies. Give a reason why elements in the same group, have similar valency and similar chemical properties.
What are the elements.
Write scientific reason.
Lithium and sodium are included in the same group in periodic table.
In the modern periodic table, elements are arranged according to their ______
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
