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प्रश्न
Correct the statement.
Valency depends upon the number of shells in an atom.
उत्तर
Valency depends upon the number of valence electrons in an atom.
संबंधित प्रश्न
The electronic configuration of an element T is 2, 8, 8, 1.
How many valence electrons are there in an atom of T?
Name the element which has a total of three shells with five electrons in its valence shell?
Name the element which has a total of four shells with two electrons in its valence shell?
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. State the common feature in the electronic configuration.
On moving down a group, the number of valence electrons ______.
Which one of the following elements exhibits a maximum number of valence electrons?
Arrange the following as per the instruction given in the bracket:
P, Si, F, Be (decreasing order of valence electrons)
Match the atomic number with the following:
A gaseous element with valency 2.
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 is an element with valency 4?
How does the number of valency vary on moving from left to right in the third period of the periodic table?
