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प्रश्न
_______ is the distance between the nucleus of the atom and its outermost shell.
पर्याय
Atomic radius
Atomic diameter
atomic mass
atomic size
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उत्तर
Atomic radius is the distance between the nucleus of the atom and its outermost shell.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Why is the size of neon greater than fluorine?
Give reason for the following:
Argon atom is bigger than chlorine atom.
Arrange the following in order of increasing radii:
CI- , CI
Write the name and symbol of the element from the description.
The atom having the smallest size.
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
On moving from left to right in a periodic table, the size of the atom _______.
Write information about the given atomic numbers in the table. 10, 20, 7.
| Atomic Number | Electronic configuration | Group | Period | Element |
| 10 | ||||
| 20 | ||||
| 7 |
Which of the following is the correct order of size?
Which among the following elements has the largest atomic radii?
Which one of the following depict the correct representation of atomic radius(r) of an atom?
|
(i) |
(ii) |
|
(iii) |
(iv) |
Arrange the following elements in increasing order of their atomic radii.
- Li, Be, F, N
- Cl, At, Br I
An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
- Where in the periodic table are elements X and Y placed?
- Classify X and Y as metal (s), non-metal (s) or metalloid (s)
- What will be the nature of oxide of element Y? Identify the nature of bonding in the compound formed
- Draw the electron dot structure of the divalent halide
- 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.
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element A would have ______ atomic size than B.
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
