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प्रश्न
Name the metalloids in the first twenty elements.
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उत्तर
B (Boron), Si (Silicon).
संबंधित प्रश्न
Write the merits of the modern periodic table over Mendeleev’s Periodic table
Which element has two shells, both of which are completely filled with electrons?
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 two elements in Alkaline earth metals.
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Answer the following in respect of element `31/15 P`
Give its electronic configuration
What is the number of elements in the 3rd period, of the modern periodic table?
Answer the following question.
How it can be proved that the basic structure of the Modern Periodic Table is based on the electronic configuration of atoms of different elements?
Distinguish between:
Group 17 - Group 18
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
