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HELP ASAP PLS Is an oxygen ion and fluorine ion bigger and why?

Sagot :

hannahashscott

Answer:

From top to bottom of the periodic table ions will increase in radii. However, now left to right the radius is more of a function of the number of electrons. ... Similarly, O2- will be larger than F- as both have 10 electrons but Z=8 for oxygen and Z=9 for fluorine.

The oxygen ion is bigger than the fluorine ion , the reason is explained below

What is an Atomic Structure ?

An atom is composed of electrons , protons and neutrons .

Electrons have negative charge and are grouped in different shells around the nucleus

Protons and neutrons are present in positively charged nucleus

The nucleus has the most mass .The atomic number is the number of protons which is equal to the number of electrons.

Both oxygen atom and fluorine atoms are isoelectronic , they have 10 electrons in the shell , but oxygen has 8 protons while fluorine have 9 protons in the nucleus.

It is believed that as the atomic number increases so the attraction forces of the nuclei increases , making the nucleus smaller and the overall atom smaller

while the oxygen atom on reduction forms oxide anion , which is a dianion and a fluorine atom forms fluoride ion which has a single negative charge and the ion which has more electrons have more electron electron repulsion and the size of the ion is bigger.

Hence the oxygen ion is bigger than the fluorine ion.

To know more about Atomic Structure

https://brainly.com/question/14156701

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