(a) How does the atomic radius alters as you go. (i) From left to ideal in a period? (ii) Dvery own a group in the regular table? (b) Two aspects X and also Y have actually atomic numbers 12 and also 16 respectively. Write the digital configuration for these elements. To which duration of the Modern Periodic Table do these two elements belong? What kind of bond will be developed in between them and why?
answeredOct 26, 2020by Naaz(48.2k points)selectedOct 26, 2020by Eihaa

(a) (i) Atomic radius decreases from left to ideal in a duration bereason reliable nuclear charge boosts from left to best in a period. Due to this efficient nuclear charge, the electronegativity boosts and also the attraction of nucleus on valence shell electrons likewise boosts. So the dimension decreases.

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(ii) Atomic radius increases down a team bereason variety of shells boosts.

(b) X12- 2, 8, 2

Y16- 2, 8, 6

These 2 aspects belong to 3 duration bereason duration of an atom in periodic table is equal to the number of shells present in that atom.

These two aspects will create ionic bond because X has actually two valence electrons so it will completely shed these 2 electrons to obtain noble gas digital configuration and also Y has actually six valence electrons and also it has actually more electronegativity so it will get two electrons to complete its octet. So X will certainly entirely provide its twoelectrons to Y and ionic bond will develop.


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