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प्रश्न
Name the element which has a total of four shells with two electrons in its valence shell?
उत्तर
Calcium (Ca)
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?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the valency of T?
Name the element which has a total of three shells with five electrons in its valence shell?
Write scientific reason.
Elements belonging to the same group have the same valency.
How does number of valence electrons vary on moving from left to right in the third period of a periodic table?
An element ‘A’ belongs to the third period and group 16 of the Periodic Table. Find out the valency of A.
The valence shell of element A contains 3 electrons while the valence shell of element B contains 6 electrons. If A combines with B, the probable chemical formula of the compound is ______
Correct the statement.
Elements in the same period have the same valency.
Answer the following in respect of element \[\ce{_16^32S}\].
What is its valency?
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?
