Question

Can someone help me?
Which element would have the lowest electronegativity?

an element with a large number of valence electrons and a small atomic radius

an element with a large number of valence electrons and a large atomic radius

an element with a small number of valence electrons and a large atomic radius

an element with a small number of valence electrons and a small atomic radius

Answer 1

Answer:

an element with a large number of valence electrons and a large atomic radius

Explanation:

Electronegativity means a tedency when an atom attracts bonding electrons in a covalent bond situation.

» If an atom has many valency electrons [ empty orbitals in outermost shell ], it has difficulty in attracting electrons hence electronegativity low.

» If an atom is large, its nuclear attraction force of incoming electrons is low hence low electronegativity.

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Answer 2

The element that would have the lowest electronegativity is an element with a small number of valence electrons and a large atomic radius.

Both electronegativity and atomic radius are periodic trends. Electronegativity increases across the period while atomic radius decreases across a period.

An element that has a small number of valence electrons and a large atomic radius will most likely be a metal hence it will have the lowest electronegativity.

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