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Answer: Several pairings of diagonally neighboring elements within the 2nd and 3rd periods, the initial 20 components in the periodic table, are considered to have a diagonal relationship. These elements aluminum (Al) and (beryllium (Be), magnesium (Mg) and lithium (Li) and silicon (Si), boron (B), and many others) have properties similar; e.g., boron and silicon both are semiconductor that create halides which are hydrolyzed within the water and contain acidic oxides.
Certain relationships become more obvious when atoms on the chemical elements are organized into vertical columns and horizontal lines. Moving up and down on the periodic table has opposite impacts on isolated atoms’ atomic radii. The molecular radii of elements drop as you move through the period, but they grow as you move down in the group.
Moving right on a periodic table makes the elements more covalent, lesser basic, and more negative electrons. Going downside in a group makes the elements with greater ionic, more basic, and far fewer negative electrons.
As a result, when decreasing a period or trying to cross a group with one component, the adjustments “cancel” others out. Similar objects’ properties and chemistry have been frequently found – the diagonal members’ atomic size, compound properties, and electronegativity are all similar.
There is a diagonal link between adjoining elements in the 2nd and 3rd periods on the periodic table in S block elements. As contrasted to the other components in the sub-group, the attributes of S block components differ dramatically.
Factors:
- Li and Mg create typical oxides when mixed in oxygen under usual conditions, while Na produces peroxide, and metals under Na produce superoxides.
- Li3N is the single stable nitride formed by a group 1 element.
- In water, phosphate, fluoride, and lithium carbonate are slightly soluble. The equivalent salts of group 2 remain insoluble.
Mg and Li form covalent organometallic compounds. Both LiMe and MgMe2 are useful synthetic reagents. Other equivalents in groups 1 and 2 are reactive and ionic, making them challenging to control.
