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प्रश्न
Chlorine 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?
उत्तर
Fluorine and chlorine have atomic numbers 9 and 35, respectively as both are halogens. They belong to the same group 17 and have seven electrons in their valence shell. The valency is 1. Both elements are non-metallic.
संबंधित प्रश्न
Which element has a total of three shells, with four electrons in its valence shell?
Differentiate between Normal elements and Transition elements.
Arrange the following elements in increasing order of their atomic radii:
Li, Be, F, N
How does the tendency to lose electrons change as we go down in group 1 of the periodic table? Why does it change this way?
In which part of a group would you separately expect the elements to have the greatest metallic character
Which of the following set of elements is written correctly in the order of their increasing metallic character?
(a) Mg, Al, Si
(b) C, O, N
(c) Na, Li, K
(d) Be, Mg, Ca
An element X belong to 4th period and 17th group, state.
Write the formula of the compound formed when it reacts with `(27)/(13) y `
State whether the following statement is true or false
Similar electronic configuration is repeated after intervals of 2, 8, 8, 18 and 32.
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the valency,
Select the correct answer from the options given below.
It is a metal in period 2 having electronic configuration 2, 1?
