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its because some are naturally stable like helium, when some like hydrogen have an extra electron in their electron clouds. That's why they are unstable. When they meet with an element with one extra electron they can be stable because the first electron cloud holds 2 electrons. ex. :

hydrogen - 1 electron

hydrogen - 1 electron

adding both together will give you a full eletron cloud.

Hope this helps!

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Why won't stable elements react?

Stable elements do not react because they don't need to. Elements react so that they can gain stability( as stability is gained by filling the outer most shell of the atom). As stable elements already have full outer shells and are stable , they do not react.


When elements form compounds what do the elements do?

When an element enters into a compound, a chemical reaction occurs. This means that the elements chemically combine and sub-atomic particles transfer between the elements involved. An Example of a Compound: Sodium Chloride (Table Salt): Sodium + Chlorine --> Sodium Chloride


What causes a compound to be formed from elements?

Every element that isn't a noble gas, wants to become isoelectronic or have the same number of electrons as its nearest noble gas. This is because noble gases are very stable, while other elements aren't. Forming compounds allows elements to gain or lose electrons, which allows them to become like their nearest noble gas.


Some elements can become stable either by gaining or losing electrons. They are called?

They are called ions


Do all elements decay over time?

It is the unstable isotopes of elements that decay over time. All elements have an isotope or isotopes that are unstable and will decay over time. (These isotopes will be either naturally occurring or will be synthetic.) Some isotopes of some elements, however, are stable, and they will not undergo radioactive decay.To discover what's what, we have to do some homework, and what better place to start than the table of nuclides? It lists all the elemets, and all the isotopes of each element. Further, it tells us which ones are stable, which are unstable, and will also help us determine the decay mode of the unstable nuclides.

Related Questions

Why are elements stable on their own while others are more stable in compounds?

because of the valence toms


Why are some elements stable on their own while others are stable in compounds?

because of the valence toms


Why Are some elements stable on their own while others are more stable compounds?

because of the valence toms


Why are some elements are stable on their own while others are more stable in compounds?

because of the valence toms


In which group are the elements always linked with others to form compounds?

The elements in the group known as the halogens (Group 17) are always linked with others to form compounds due to their high reactivity and tendency to gain an electron to achieve a stable configuration. This group includes elements like chlorine, fluorine, and iodine.


Can only phosphorus make a stable compound?

No, not only phosphorus can form stable compounds. Many elements can combine to form stable compounds depending on their chemical properties and bonding capabilities. These compounds can be created through various chemical reactions involving different elements.


Is inactive elements from stable compound?

For example, xenon, a noble gas can form stable compounds.


Why some elements are stable on their own while other are more stable in compounds?

because of the valence toms


When elements are more stable in a combined formwhich forms?

Each element can form stable, less stable or unstable compounds.


Why do elements tend to form compounds?

it tells how many atoms are in the unit to be stable


What elements are stable Neon carbon boron or fluorine?

Neon is a stable noble gas as it has a full outer electron shell. Carbon can form stable bonds with other elements due to its ability to form multiple bonds. Boron is not typically stable on its own, but can form stable compounds with other elements. Fluorine is a highly reactive nonmetal and typically forms stable compounds with other elements.


Can a stable compound be made by oxygen and lithium?

No, a stable compound cannot be formed by oxygen and lithium because lithium is a highly reactive metal that tends to form ionic compounds with other elements rather than stable covalent compounds. Oxygen typically forms stable compounds with elements that have similar electronegativity values, such as other non-metals.