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In the ion of barium, two electron are lost to follow the octet rule (to have a complete valence electron shell).
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How many electrons will be gained or lost by scandium?
Usually three will be lost.
How many electrons are needed to be gained or lost in aluminium to achieve stable electron configuration?
Only three electrons.
How many electrons does the element barium have?
the answer is 28
How Many unpaired electrons does Barium?
5
How many electrons must be gained or lost for Mg to attain a noble gas?
It should loose 2 electrons to become a noble gas.
Related questions
Silicon how many electrons are gained or lost?
it has gain 4 electrons
How many electrons will be gained or lost by scandium?
Usually three will be lost.
How many electrons are gained when going from Al to Al3 plus?
-3 electrons are gained,i.e,3 electrons are lost by Al and 3 electrons are gained by the other atom nearby.
How many electrons must be gained or lost for calcium to attain a noble-gas electron configuration?
two electrons lost
How many electrons are lost or gained in a chemical reaction?
There is zero NET loss or gain of electrons
How many electrons are lost or gained in Xe?
Xe neither gain or lose electrons= 0
How many electrons were lost or gained to form Cu plus?
Only one electron lost.
How many core electrons does a barium atom have?
Barium has 56 eletrons56 electrons and protons.
How many electrons are needed to be gained or lost in aluminium to achieve stable electron configuration?
Only three electrons.
How many electrons are present in a neutral barium atom?
A neutral barium atom has 56 electrons.
How many valence electrons does an atom of barium possess?
A barium atom has two valence electrons.
How many electrons an atom has lost gained or shared to become stable?
the oxidation number
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