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प्रश्न
उत्तर
Electronegativity has no unit because it has no quantity. It is measured on the Pauling scale.
संबंधित प्रश्न
Name the periodic property which relates to the tendency of an atom to attract the shared pair of electron.
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 are most electronegative element?
Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question. DO NOT repeat an element.
Which element forms electrovalent compound with G?
Among the elements of the second period, Li to Ne, pick out the element with the highest electro negativity
Select the correct answer
Which of the following element has highest electronegativity?
The electro negativities (according to Pauling) of the elements in period 3 of the periodic table are as follows.
The elements are arranged in alphabetical order:
Al Cl Mg Na P S Si
1.5 3.0 1.2 0.9 2.1 2.5 1.8
(i) Arrange the elements in the order in which they occur in the periodic table from left to right.
(The group 1 elements first, followed by the group 2 element and so on, up to group 7)
(ii) Choose the word or phrase from the brackets which correctly completes each of the following statements:
(a) The element below sodium in the same group would be expected to have a ______ (lower/higher) electro negativity than sodium and the element above chlorine which would be expected to have a ______ (lower / higher) ionization potential than chlorine.
(b) On moving from left to right in a given period, the number of shells ______ (remains the same / decreases/ increases).
(c) On moving down a group, the number of valence electrons ______ (remains the same / increases/ decreases).
Among the elements given below, the element with the least electronegativity is:
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
If the electronegativity difference between two bonded atoms in a molecule is greater than 1.7, the nature of bonding is ______
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)