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2 years ago

Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size.

Chemistry

1 answer:

Serjik [45]2 years ago

7 0

Answer: Na, S, Cl

Explanation:

Atomic size decreases as one moves from left to right on the periodic table with elements in the same period. This is as a result of the electrons increasing in the outer circle and thus being drawn to the protons in the nucleus which will lead to the outer shell area decreasing.

Sodium (Na) comes before Sulfur (S) which comes before Chlorine (S) so this is the decreasing order as they are all in the same period.

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3 years ago

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3 years ago

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