Advertisements
Advertisements
प्रश्न
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
What is its valency?
उत्तर १
It needs to lose its 2 valence electrons to complete its octet configuration; therefore its valency is also 2.
उत्तर २
Valency is +2
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?
Name the element which has a total of four shells with two electrons in its valence shell?
Name the element of period 3 with valency 4.
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 ______
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?
How does the number of valency vary on moving from left to right in the third period of the periodic table?
