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Which element is a stable element?
A stable element is any non-radioactive element. All elements before element atomic number 84 (not including 84) - Polonium (Po) are stable elements.
What element has a stable 2 valence electrons?
The element with a stable 2 valence electrons is helium. Helium has a full outer electron shell with 2 electrons, making it very stable and unreactive.
Which element will never have an oxidation number?
Noble gases, also known as group 18 elements, will never have an oxidation number because they have a full valence shell of electrons, making them very stable and unreactive.
Is xenon rare radioactive or stable?
Xenon is a stable noble gas that is not radioactive. It is not rare in the Earth's atmosphere, but it is considered a trace element because it makes up a very small proportion of the air we breathe.
Does sulfur and argon have similar chemical properties?
Sulfur and argon do not have similar chemical properties. Sulfur is a reactive nonmetal that readily forms compounds, while argon is an inert gas that is very stable and does not easily react with other elements. Argon is a noble gas with a full outer electron shell, while sulfur is a nonmetal that can gain electrons to achieve a stable configuration.
Is kyrpton a compound?
Krypton is an element not a compound. It is a noble gas (group 0) and has atomic number 36. It is a very stable and unreactive element.
What type of elment is Helium?
Helium is classified as a non-metallic element. It is a gas at room temperature and belongs to group 0 which is called the noble gases. It is very a very stable element and has a low density.
Which element is a stable element?
A stable element is any non-radioactive element. All elements before element atomic number 84 (not including 84) - Polonium (Po) are stable elements.
What is chemically stable?
An element that very few things react to.
Is hassium stable?
Hssium is a radioactive and very unstable chemical element.
What element has a stable 2 valence electrons?
The element with a stable 2 valence electrons is helium. Helium has a full outer electron shell with 2 electrons, making it very stable and unreactive.
Is the krypton element stable or unstable?
no it is not stable bcoz if an atom needs to be stable it needs to have 8 electrons in the valency (outermost) shell,where as a krypton has only 2 in its valency electron.
What element is in group 3 period 6?
There is no element in period 3 group 6. The element at period 3, group 16 (called on very old periodic tables group VIA) is sulfur (S).
Is halogen the most stable element in the periodic chart?
No, halogens are very reactive elements.
The last member of this group all isotopes of this element are radioactive?
The element that fits this criteria is francium (Fr). All isotopes of francium are radioactive, with the most stable isotope having a half-life of only 22 minutes. Francium is a highly unstable element and is very rare in nature.
Which element will never have an oxidation number?
Noble gases, also known as group 18 elements, will never have an oxidation number because they have a full valence shell of electrons, making them very stable and unreactive.
Which family is very stable and nonreactive?
Elements in group 18 of the periodic table.
