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प्रश्न
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
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उत्तर
Second Period: Fluorine < Oxygen < Nitrogen < Carbon < Boron < Beryllium < Lithium.
Third Period: Chlorine < Sulphur < Phosphorus < Silicon < Aluminum < Magnesium < Sodium.
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
Is it a reducing agent or oxidizing agent?
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
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 _______.
_______ is the distance between the nucleus of the atom and its outermost shell.
Which among the following elements has the largest atomic radii?
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
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.
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least atomic size in period 3?
