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प्रश्न
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
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उत्तर
Na > Mg > Si > S > Cl
∴ Atomic size reduces when moving from left to right in the third phase.
संबंधित प्रश्न
What do you understand by atomic size? State its unit?
Which is greater in size Fe2+ or Fe3+?
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write the name and symbol of the element from the description.
The atom having the smallest atomic mass.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
On moving from left to right in a periodic table, the size of the atom _______.
_______ is the distance between the nucleus of the atom and its outermost shell.
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
- Electropositive nature of the element(s) increases down the group and decreases across the period
- Electronegativity of the element decreases down the group and increases across the period
- Atomic size increases down the group and decreases across a period (left to right)
- Metallic character increases down the group and decreases across a period.
On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.
- Name the most electropositive element among them
- Name the most electronegative element
- Name the element with smallest atomic size
- Name the element which is a metalloid
- Name the element which shows maximum valency.
