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प्रश्न
State the number of elements in Period 1 of the Periodic Table.
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उत्तर
Period 1 is the shortest period has 2 elements
संबंधित प्रश्न
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
Answer the following in respect of element `31/15 P `
To which group and period does it belong?
Name the noble gas with 3 shells.
Give the symbol and valency of the following element and radical.
Sodium
______ and ______ are called inner transition elements.
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
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
Name the non-metals in the first twenty elements.
Give reason for the following:
Inert gases do not form ion.
