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प्रश्न
Name the noble gas with 3 shells.
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उत्तर
Argon
संबंधित प्रश्न
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
What is the number of valence electrons in the atoms of first elements in a period?
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
An element X belongs to 3rd period and group 2 of the periodic table. State:
(a) number of valence electrons
(b) valency
(c) metal or non-metal
(d) name of the element
Give the group number of following elements present in periodic table
Name two elements in Inert gas.
Write a short note.
Structure of the modern periodic table.
State the number of elements in Period 3 of the Periodic Table.
State the group and period, of the element having three shells with three electrons in valence shell.
