Answer question 7. Circle the largest atom or ion in each grouping (I will give brainliest)

S, S^2-, Cl
Al, Al^3+, Mg
Sb, Se, Se^2+
Ca, K^1-, Ca^2+
Be^2+, Be, Na

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21-09-2022
Chemistry

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Answer question 7. Circle the largest atom or ion in each grouping (I will give brainliest)

S, S^2-, Cl
Al, Al^3+, Mg
Sb, Se, Se^2+
Ca, K^1-, Ca^2+
Be^2+, Be, Na

Answer :

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tripatsingh039 tripatsingh039 · Answer 1 · 2022-09-23T02:31:37-04:00

According to the atomic radius, the largest atom or ion in each grouping are – [tex]S^2^-[/tex], [tex]Mg[/tex] , [tex]Sb[/tex] , [tex]Ca[/tex] , [tex]Na[/tex] .

A measure of the size of an atom is the atomic radius of a chemical element, which is normally the average distance between the core of the nucleus and the outermost isolated electron. There are several non-equivalent descriptions of atomic radius since the border is not a clearly defined physical object.

Since the net nuclear charge steadily rises as a result of higher electron attraction to the nucleus, the radius of atoms decreases across a period. However, as the number of shells in each atom grows along the group, the atomic radius increases.

Neutral atoms typically become larger down a group and smaller across a period. The radius of a neutral atom increases or decreases as it acquires or releases an electron, becoming an anion or cation, respectively.

In the given groupings, the size of the atoms and ions according to the atomic radius is as follows:

[tex]S^2^- > S > Cl[/tex]

[tex]Mg > Al > Al^3^+[/tex]

[tex]Sb > Se^2^- > Se[/tex]

[tex]Ca > K^+ > Ca^2^+[/tex]

[tex]Na > Be > Be^2^+[/tex]

Learn more about atomic radius here:

https://brainly.com/question/20889495

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Answer question 7. Circle the largest atom or ion in each grouping (I will give brainliest) S, S^2-, Cl Al, Al^3+, Mg Sb, Se, Se^2+ Ca, K^1-, Ca^2+ Be^2+, Be, Na

Answer :

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Answer question 7. Circle the largest atom or ion in each grouping (I will give brainliest)

S, S^2-, Cl
Al, Al^3+, Mg
Sb, Se, Se^2+
Ca, K^1-, Ca^2+
Be^2+, Be, Na