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प्रश्न
Name the element which is in seventeenth group and second period.
उत्तर
Fluorine (F) is the element which is in the seventeenth group and the second period.
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संबंधित प्रश्न
How do the atomic size and metallic character of elements vary as we move :-
(a) down a group and
(b) from left to right in a period
Which element has a total of three shells, with four electrons in its valence shell?
In which part of a group would you separately expect the elements to have the greatest metallic character
Which of the following is the valence shell for the elements of second period of the modern periodic table?
(a) M shell
(b) K shell
(c) L shell
(d) N shell
Name two elements you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
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.
The ion of which element will migrate towards the cathode during electrolysis?
'In a group, the atomic radii increase with increasing period number', explain this statement and justify it with reference to group 17.
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (decreasing electronegativity)
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the number of valence electrons,
Match the option A and B with the statements (i) and (ii):
A. metal | (i) The metal that forms two types of ion. |
B. iron | (ii) An element with electronic configuration 2, 8, 8, 3. |