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प्रश्न
Select the correct answer
Which of the following element has highest electronegativity?
विकल्प
F
H
Ne
Na
उत्तर
F because it belongs to group 17 whose elements have valency 7 and thus requires only 1 electron to complete their octet.
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संबंधित प्रश्न
Choose the most appropriate answer of the following:
Among the elements given below, the element with the least electronegativity is:
(A) Lithium
(B) Carbon
(C) Boron
(D) Fluorine
Define the term Electronegativity.
State the character of the oxide of period 3 ?
Name the periodic property which relates to the tendency of an atom to attract the shared pair of electron.
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?
Fill in the blank
Most electronegative elements belong to ______ group.
Explain
Electronegativity of Cl is higher than S.
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).
Answer the following question using the data given below:
- Assertion: The nature of bond in HF molecule is ionic
- Reason: The electronegativity difference between H and F is 1.9.
State the term for the following:
The tendency of an atom to pull a shared pair of electrons towards itself in a compound.
