2007-12-31 18:31:29 · 7 answers · asked by tony 1 in Science & Mathematics ➔ Chemistry
It has 2 valence electrons in its outer shell. This stable electron arrangement makes it difficult to lose or receive electrons. Reactions between elements only occur when there is an exchange of electrons.
2007-12-31 18:36:26 · answer #1 · answered by Mr. Yes-Man 2 · 3⤊ 0⤋
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All elements are reactive, even the nobel gases. XeF4 is a commonly known gas. They can all react if the right conditions are found and enough energy is used. Just because you can make something react doesn't mean it will create a stable compound. A product may form and the product be too unstable to last so the reaction reverses direction. There are many compounds that have extremely low reactivity, N2(g) and Ar are the two most common. They are frequently used in organic chemistry when a reaction needs to be protected from outside influences like oxygen and water. Even though they are considered inert, extreme conditions are known to even make them react.
2016-03-29 06:44:17 · answer #2 · answered by Anonymous · 0⤊ 0⤋
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RE:
why is helium non-reactive?
2015-08-08 06:53:46 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Because it's electrons (2) fill the first orbital shell meaning that it has no free space to accept bondig with another electron.
2007-12-31 18:37:54 · answer #4 · answered by Charles C 7 · 4⤊ 1⤋
It's outermost energy level is filled; there is no room for another element to bond with it!!
2008-01-01 03:01:46 · answer #5 · answered by o-O 4 · 1⤊ 0⤋
coz they have a fully filled last shell(with electrons) which is K shell for them
those having fully filled last shells have very little or no reactivity
2007-12-31 18:37:17 · answer #6 · answered by Archit 2 · 1⤊ 2⤋
Because its 1s valence shell of electrons is full.
2007-12-31 18:36:45 · answer #7 · answered by floreana_baroness 3 · 2⤊ 1⤋
It has a full valence.
2007-12-31 18:46:02 · answer #8 · answered by mcalhoun333 4 · 1⤊ 1⤋
It is a noble gas with its outer shell containing the full 8 electrons.
2007-12-31 18:38:14 · answer #9 · answered by Woman of Strength 2 · 0⤊ 6⤋