Which of the following elements is stable

Which of the following is stable element?

Most of the stable elements are having ‘Octet Electron Configuration’. Other examples are Neon(Ne), Argon(Ar), Krypton (Kr), Xenon (Xe), Radon (Rn).30 thg 8, 2020

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Which of the following elements is most stable?

The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.16 thg 11, 2020

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Why are some elements stable?

In some atoms, the binding energy is great enough to hold the nucleus together. The nucleus of this kind of atom is said to be stable. In some atoms the binding energy is not strong enough to hold the nucleus together, and the nuclei of these atoms are said to be unstable.

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Why is Fe the most stable element?

Well, Iron has the most stable isotope(Iron-56), it has a large half-life which means it takes a fairly large amount of time to decay into the half of what was initially there. Noble gases have a low reactivity, which means a low electronegativity and a high ionization energy.

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Is carbon a stable element?

Carbon is the sixth element in the periodic table. Located between boron (B) and nitrogen (N), it is a very stable element. Because it is stable, it can be found both by itself and in many naturally occurring compounds.

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Is hydrogen a stable element?

If we talk about the chemical stability of Hydrogen in its natural form then it is unstable. This is because Hydrogen has one electron in its lowest energy level meaning it has an unstable arrangement.

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How do you know if an element is stable?

The stability of an element is determined on the number of electrons in its outermost energy level. This outermost energy level must first be maxed out in order to achieve stability.

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Is nitrogen a stable element?

Elemental nitrogen occurs as a very stable diatomic molecule. Only two naturally occurring isotopes are found, 14N (99.635%) and 15N. The occurrence mainly as 14N is somewhat unusual in view of the fact that so few odd?odd nuclei are stable.

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How many stable elements are there?

). This list depicts what is agreed upon by the consensus of the scientific community as of 2019. For each of the 80 stable elements, the number of the stable isotopes is given. Only 90 isotopes are expected to be perfectly stable, and an additional 162 are energetically unstable, but have never been observed to decay.

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Is oxygen stable or unstable?

One oxygen atom is unstable since it has only 6 electrons in the outermost shell. For an atom to be stable it needs 8 electrons.

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