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प्रश्न
In which part of a group would you separately expect the elements to have the largest atomic size?
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उत्तर १
The largest atomic size is found at the bottom of the group, as the atomic size increases on moving down in a group of the periodic table.
उत्तर २
The largest atomic size can be expected in the lower part of the group.
संबंधित प्रश्न
The electrons in the atoms of four elements A, B, C and D are distributed in three shells having 1, 3, 5 and 7 electrons in the outermost shell respectively. State the period in which these elements can be placed in the modern periodic table. Write the electronic configuration of the atoms of A and D and the molecular formula of the compound formed when A and D combine.
Define the term : Valency
Write any one difference in the electronic configurations of group-1 and group-2 elements ?
Why do elements in the same group show similar properties but the elements in different groups show different properties?
State one reason for keeping fluorine and chlorine in the same of the periodic table.
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
atomic structure (electron arrangements) ?
An element 'M' has atomic number 11.
(a) Write its electronic configuration.
(b) State the group to which 'M' belongs.
(c) Is 'M' a metal or a non-metal.
(d) Write the formula of its chloride.
State whether the following statement is true or false
Similar electronic configuration is repeated after intervals of 2, 8, 8, 18 and 32.
(a) Fill in the blanks and rewrite the completed statements:
(i) ________ group in the periodic table contains elements that are all gases at room temperature.
(ii) Very fine particles mainly scatter ______ light.
Name or state following with reference to the element of the first three periods of the periodic table.
A covalent compound formed between an element in period 1 and a halogen.
