What is the order of the atoms #Fe, P, O# in increasing side?

Answer 1

Do you ask, #"what's the order of increasing size for Fe, P, O"??#

Fourth Period iron should be larger than third Period phosphorus, which should be larger than second Period oxygen. Atomic size decreases across a Period and increases down a Group.

We should look for the physical data because we are physical scientists and chemists.

This site reports that the atomic radii of the three elements are: #"Fe, "140xx10^(-12)m; "P, "100xx10^(-12)m;" O, "60xx10^(-12)m.#
Thus #"ATOMIC SIZE"# increases in the order: #"Oxygen, phosphorus, iron"#.

Why would the size of an atom decrease over a period?

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Answer 2

The order of the atoms Fe, P, O in increasing size is O < P < Fe.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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