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Of the following elements, which one would have the largest radius?

Question options:

Nitrogen (N, atomic #7)


Lithium (Li, atomic #3)


Neon (Ne, atomic #10)


Boron (B, atomic #5)

Respuesta :

susanwiederspan
In general, there is a periodic trend that an atom gets bigger as the number of electron shells increase, so the radius of an atom increases as you go down a certain group in the periodic table of elements and will decrease as you move from left to the right of a certain period. This is partly because of electron shielding. Note that periods are the rows and groups are the columns.

These elements are all in the same period. Going across the period left-to-right, atomic radius decreases. The leftmost element, which must have the highest radius, is Li.
Lanuel

Of the following chemical elements, the one which would have the largest radius is: C. Neon (Ne, atomic #10).

Atomic radii can be defined as a measure of the size (distance) of the atom of a chemical element, typically starting from the nucleus to the valence electrons.

Generally, the atomic radius of a chemical element decreases across the periodic table, from alkali metals (lithium) to noble gases such as Neon (Ne, with an atomic number of 10).

On a related note, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).

In conclusion, noble gases such as Neon (Ne, with an atomic number of 10) would have the largest radius among the given chemical elements.

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