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Why is helium stable with a different arrangement?
All noble gases have completely filled orbitals. Helium has two valence electrons and its s-orbital is full and is stable. Other noble gases have completely fill p-orbitals as the valence orbitals.
How does one determine the number of core electrons an atom has?
subtract the group number from the atomic number
How many electrons does calcium lose?
Calcium typically loses 2 electrons to achieve a stable electron configuration, forming a Ca2+ cation. This allows calcium to achieve a full outer energy level of 8 electrons, similar to a noble gas configuration.
What ions have the same number of electrons as a noble gas out of Aluminum oxygen bromine and nitrogen?
Actually all the ions will have. Al3+, O2- and N3- ions will have the same number of electrons as neon (10 electrons), whereas Br- ion will have the same number of electrons as krypton (36 electrons)
Based on the periodic chart which element would you expect to have a full valence shell?
neon
Which noble gas does not have eight electrons in it's highest occupied energy level?
Helium is the noble gas that does not have eight electrons in its highest occupied energy level. It only has two electrons in its outermost energy level.
What element is a noble gas in the first energy level?
There are no noble gases in the first energy level. Noble gases are found in the last (highest) energy level of an atom. The first energy level can only hold a maximum of 2 electrons, while the noble gases have completely filled outermost energy levels.
Do noble gasses have the maximum number of electrons in their outer energy level?
yes.they have the maximum number of electrons in their outer energy level?
Which group has a complete set of valence electrons in their outermost energy level?
Noble gases have a complete set of valence electrons in their outermost energy level, which is why they are known to be stable and unreactive.
How many electrons in the outermost energy level of noble gases?
8
How many electrons are in the outer energy level of xenon?
There are 8 electrons in the outer energy level of xenon. Xenon belongs to the noble gas group on the periodic table, which have a full outer energy level with 8 electrons.
How many electrons are in the outermost energy level of noble gases?
Helium has 2 valence electrons. All other noble gases have 8 valence electrons.
Do noble gases have the maximum number of electrons in their outer energy level?
Yes, the outermost energy level of the atoms of the noble gases are filled, meaning that they have the maximum number of electrons. This is why noble gases are stable and unreactive. The atoms of reactive elements share or transfer electrons in order to fill their outermost energy levels, making them stable like the noble gases.
The noble gas distribution for the element chlorine are?
The noble gas distribution for chlorine (Cl) is 2,8,7. This means it has two electrons in the first energy level, eight electrons in the second energy level, and seven electrons in the third energy level. Chlorine achieves stability by gaining one electron to complete its outer energy level to achieve the same electron configuration as argon, a noble gas.
A gas that has a stable number of electrons in the outer energy level?
Noble gas
What contains 8 electrons in the outermost energy level?
Noble gases (except for helium which has 2 valence electrons).
How many electrons does a chemically stable atom have in its outer energy level?
8 electrons
