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प्रश्न
The size of an atom is indicated by its _______.
पर्याय
atomic number
radius
number of shells
atomic mass
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उत्तर
The size of an atom is indicated by its radius.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P`
Give its electronic configuration
Answer the following in respect of element `31/15 P `
Is it a reducing agent or oxidizing agent?
Give the trends in atomic size on moving down the group.
Why is the size of neon greater than fluorine?
Why is the size of sodium is greater than magnesium?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Atomic size increases from left to right across a period.
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
Arrange the following as per the instruction given in the bracket.
Mg, Cl, Na, S, Si (increasing order of atomic size)
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
The size of an atom depends on the number of valence electrons.
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 atomic size?
When an atom of iodine becomes an iodine ion (I–) the radius will ______
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
- 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 as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Which one of the following has the largest atomic radius?
