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प्रश्न
An element belongs to the third period and Group IIIA (13) of the periodic table. State: if it is a metal or non-metal?
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उत्तर
It's a Metal.
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संबंधित प्रश्न
Write the electronic configuration of K and Ne.
Write the number of vertical columns in the modern periodic table. What are these columns called?
Which element has twice as many electrons in its second shell as in its first shell?
Fill in the blank in the following statement:
On moving form right to left in the second period, the number of valency electrons ...............
Fill in the blank in the following statement:
The tendency to gain an electron ............... on moving down in a group of the periodic table.
In terms of electronic configurations, explain the variation in the size of the atoms of the elements belonging to the same period and same group ?
Name two elements you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
What is modern periodic law?
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
Going across a period left to right, atomic size _____.
