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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.
APPEARS IN
संबंधित प्रश्न
Write the merits of the modern periodic table over Mendeleev’s Periodic table
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
Name the type of elements which have one electron short of octet.
Give the symbol and valency of the following element and radical.
Nitrate
Give the symbol and valency of the following element and radical.
Sulphite
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.
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
State the number of elements in Period 1 of the Periodic Table.
On moving from left to right in a period in the periodic table, the size of the atom ______
Compare the radii of two species X and Y. Give reasons for your answer.
- X has 12 protons and 12 electrons
- Y has 12 protons and 10 electrons
