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प्रश्न
What property of an element is measured by electro negativity?
उत्तर
Electro negativity of an element measures the capacity of an element to attract the shared pair of electrons in a bond towards itself.
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संबंधित प्रश्न
Identify the term/substance in the following:
The tendency of an atom to attract electrons to itself when combined in a compound.
Rewrite the following sentences by using the correct symbol > (greater than) or < (less than) in the blanks given
The electronegativity of iodine is ___________ that of Chlorine
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?
Among the elements of the second period, Li to Ne, pick out the element with the highest electro negativity
Fill in the blank
Most electronegative elements belong to ______ group.
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).
Rewrite the following sentence by using the correct > (greater than) or < (less than) in the blank given :
The electronegativity of iodine is ________ that of chlorine.
Arrange the following as per the instruction given in the bracket
F,Cl,Br (Increasing electronegativity)
The electronegativities (according to Pauling) of the elements in period 3 of the periodic table are as follows with elements 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 |
Arrange the elements in the order in which they occur in the periodic table from left to right.
(The group 1 element first, followed by the group 2 element and so on, up to group 7).
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
