2 years ago

The range in size of most atomic radii is approximately _____.

2 answers:

8 0

The range in size of most atomic radii is approximately <span>5 × 10−21 m to 2 × 10−20 m. The rest of the choices do not answer the question above.</span>

Novay_Z [31]2 years ago

3 0

The atomic radii is approximately between 5 × 10−11 m to 2 × 10−10 m

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Arrange the following ions in order of increasing ionic radius.

Zepler [3.9K]

Answer:

Ca 2+ <K + <Ar<Cl − <S 2−

Explanation:

Ar,K + ,Cl − ,S 2− ,Ca 2+

have the same number of electrons. Their radii would be different because of their different nuclear charges. The cation with the greater positive charge will have a smaller radius because of the greater attraction of the electrons to the nucleus. Anion with the greater negative charge will have the larger radius. In this case, the net repulsion of the electrons will outweigh the nuclear charge and the ion will expand in size. Hence the correct order will be Ca

2+ <K + <Ar<Cl − <S 2−

3 0

2 years ago

Draw the structure of 4-methylcycloheptanol.

Furkat [3]

Answer:

<em>Answer is in the attachment</em>