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प्रश्न
What happens to the atomic size of elements on moving from left to right in a period?
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उत्तर
Atomic size of elements decreases on moving from left to right in a period.
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संबंधित प्रश्न
Give the trends in atomic size on moving across the period left to right.
Arrange the elements of second and third periods in increasing order of their atomic size (excluding noble gases).
Give reason for the following:
Argon atom is bigger than chlorine atom.
Write the name and symbol of the element from the description.
The noble gas with the smallest atomic radius.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
_______ is the distance between the nucleus of the atom and its outermost shell.
Write an explanation.
Atomic radius
An element X has mass number 40 and contains 21 neutrons in its atom. To which group of the Periodic Table does it belong?
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
Arrange the following in order of increasing radii:
Mg2+, Mg, Mg+
Explain your choice.
