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helium
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∙ 14y ago
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What is a noble gas but does not have 8 valence electrons?
Helium is the only noble gas that doesn't have 8 valence electrons. It only has 2.
You are a noble gas with 2 electrons?
Helium
Which noble gas doesn't have 8 outer electrons?
Helium has only 2 valence electrons. The rest noble gases have eight.
Does group 2A gain electrons or lose electrons in order to achieve a noble gas configuration?
loses 2 electrons to achieve a noble gas configuration
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.
How many electrons does O need to achieve noble gas?
Oxygen should gain 2 electrons to achieve noble gas configuration
What is the noble gas with only 2 electrons?
helium
What element has noble gas with 2 electrons?
helium
How many electrons must be lost given the following atoms Ca Mg Ba Be to attain Noble gas?
To attain the noble gas configuration, Ca would have to lose 2 electrons, Mg would have to lose 2 electrons, Ba would have to lose 2 electrons, and Be would have to lose 2 electrons.
All noble gases have 8 valence electrons except for?
Helium is the noble gas with only 2 valence electrons
How many electrons would calcium have to give up to achieve a noble-gas configuration?
Calcium has to lose 2 electrons to form noble gas configuration.
How many electrons does group 6A need to gain to become a noble gas?
They should gain 2 electrons to attain noble gas electronic configuration. (it doesn't become a noble gas as the number of protons are not same)
