Chemistry, asked by raminder1, 1 year ago

define diagonal relationship please...

Answers

Answered by arjun4144
2
A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table. These pairs (lithium (Li) and magnesium (Mg), beryllium (Be) and aluminium (Al), boron (B) and silicon (Si) etc.) exhibit similar properties; for example, boron and silicon are both semiconductors, forming halides that are hydrolysed in water and have acidic oxides.

The organization of elements on the periodic table in to horizontal rows and vertical columns makes certain relationships more apparent (periodic law). Moving rightward and descending the periodic table have opposite effects on atomic radii of isolated atoms. Moving rightward across groups decreases the atomic radii of atoms, while moving down the periods will increase the atomic radii 

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raminder1: actually m not getting ur answer
raminder1: so sry
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arjun4144: seee your question plz
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arjun4144: vhha likha hoga arjun 4144
raminder1: hmmm so?
arjun4144: vhi to mera ans.
raminder1: hmmm but mza sa ni aya
Answered by ritujain83
0
Some elements of certain groups in the second period resemble with the certain elements of the next higher group in the third period. This is called diagonal relationship.

Check the periodic table where lithium resembles magnesium (Mg), beryllium (Be) resembles aluminum (Al) and boron (B) resembles silicon (Si).
Hope it helps u!!:D

raminder1: hey
raminder1: why you wrote both next and higher words...
raminder1: i think writing only "next" can show sense...
raminder1: it's just copied from Pradeep book
ritujain83: But that is only the relevant answer. We cannot change some of the definition. And moreover it's very easy to remember.
raminder1: i found problem that's why asked
raminder1: but u jst copied frm that book which created perform for me
ritujain83: What I did not get u??
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