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प्रश्न
Which of the following element does not lose an electron easily?
(a) Na
(b) F
(c) Mg
(d) Al
उत्तर
(b) F
F is the element that does not lose an electron easily, as it is a non-metal (halogen) belonging to group 17 of the periodic table.
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संबंधित प्रश्न
Two elements ‘A’ and ‘B’ belong to the 3rd period of Modern periodic table and are in group 2 and 13, respectively. Compare their following characteristics in tabular form:-
(a) Number of electrons in their atoms
(b) Size of their atoms
(c) Their tendencies to lose electrons
(d) The formula of their oxides
(e) Their metallic character
(f) The formula of their chlorides
Name the element which is in seventeenth group and second period.
Arrange the following elements in increasing order of their atomic radii:
Li, Be, F, N
Fill in the blank in the following statement:
The tendency to gain an electron ............... on moving down in a group of the periodic table.
Chorine in the periodic table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Which of these have physical and chemical properties resembling chlorine.
What is modern periodic law?
What is meant by a group in the periodic table?
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
Place the three elements fluorine, beryllium and nitrogen in the order of increasing electronegativity.
With reference to the variation of properties in the Periodic table, which of the following is generally true?
