Chemistry
In period 2, element 'A' is to the right of element 'B'
- The element 'A' would probably have a …………… [smaller/larger] atomic size than 'B'.
- The element 'B' would probably have …………… [lower/higher] ionization potential than 'A'.
- The element 'A' would have …………… [lesser/higher] electron affinity than 'B'.
- Nuclear charge of element 'B' would be …………… [less/more] than element 'A'.
- If an element 'C' had a low electronegativity and ionization potential it would have more tendency to …………… [gain/lose] electrons.
Answer
- The element 'A' would probably have a smaller atomic size than 'B'
- The element 'B' would probably have lower ionization potential than 'A'.
- The element 'A' would have higher electron affinity than 'B'.
- Nuclear charge of element 'B' would be less than element 'A'.
- If an element 'C' had a low electronegativity and ionization potential it would have more tendency to lose electrons.
Related Questions
Give reasons for the following:
A decrease in ionization potential of an element leads to a decrease in non-metallic character of the element.
Give reasons for the following:
Atomic size decreases across a period but increases down a group of the periodic table.
With reference to period 3 of the periodic table — State :
- The type of bonding of the element with electronic configuration 2, 8, 7.
- The formula of the chloride of the element with electronic configuration 2, 8, 4.
- The nature of the oxide of the alkaline earth metal in the period.
- The number of electrons in the penultimate shell of the element with valency -1.
- The electronic configuration of the element whose hydroxide is a weak base.
With reference to group 1 [IA] of the periodic table – fill in the blanks with the correct word:
The elements are …………… [light/heavy] …………… [metals/non metals] since their atomic size is …………… [large/small]. The energy binding the atoms is …………… [high/low] and hence the elements have …………… [high/low] melting points. The melting points of the elements …………… [increases/decreases] down the subgroup. The electropositive character …………… [increases/decreases] down the subgroup and the elements are strong …………… [reducing/oxidizing] agents. The element with electronic configuration 2, 8, 1 will have …………… [higher/lower] electron affinity and …………… [smaller/larger] atomic size than the element with electronic configuration 2, 1.