Question

Which element is expected to show the greatest tendency to form some covalent compounds? A. aluminium B. calcium C. magnesium D. sodium

Answer 1

Answer:

Carbon

Explanation:

Carbon shows the greatest tendency to form some covalent compounds . It's atomic number is six . It can form four bonds due to its number of valence electrons that is four.

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Answer 2

"Aluminium" shows the greatest tendency to form some covalent compounds that is option A.

Definition:

• A chemical bond may be a bond that involves the sharing of electron pairs between atoms.

• These electron pairs are referred to as shared pairs or bonding pairs, and therefore the stable balance of attractive and repulsive forces between atoms, once they share electrons, is understood as covalent bonding

Explanation:

• As aluminium has 3 electrons in valence shell, so it's impossible for aluminium to realize or loose its 3 electrons.
• Hence, aluminium has the sole choice to share the 3 electrons with other elements, thus aluminium shares its 3 electrons and forms covalent bonds.
• Whereas ,calcium can form 2 bonds,magnesium can also form 2 bonds,and sodium can form 1 bond.

Therefore,"Aluminium" shows the greatest tendency to form some covalent compounds that is option A.