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Cs (cesium) is in group I of the Periodic Table, and has 1 valence electron. This is very easy to lose, and so Cs loses this one electron to become the cesium cation, Cs^1+
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How many electrons does the group 7A need to gain?
they must gain one more electron in order to have noble gas electron configuration
What is the number of electrons a calcium atom must gain or lose to have 8 valence electrons?
two electron should be lost
How many electrons must be gained or lost for calcium to attain a noble-gas electron configuration?
two electrons lost
How many electrons must be lost for Cs to achieve a nobel gas electron confirguation?
1
In order for an atom to become an ion it must due what?
It must have a charge. That is, gain or lose an electron from it's neutral state. H is a hydrogen atom. H+ is a hydrogen ion. Cl- is a chloride ion. (note the "ide" is often used to indicate a negative charge. H- is known as a hydride.)
How many electrons must be gained or lost for Iodine to achieve a noble gas electron configuration?
It must gain one electron to achieve a noble gas electronic structure, just like other halogens.
How many electrons does the group 7A need to gain?
they must gain one more electron in order to have noble gas electron configuration
How many electrons must be gained or lost for selenium to achieve a noble gas electron configuration?
Selenium should gain two electrons and lose six electrons to achieve a noble gas electron configuration.
How many valence electrons must bromine gain or lose to get 8 valence electrons?
Bromine must gain one electron
How many electron does potassium have to gain or loose in order to achieve a noble gas electron configuration?
It must lose 1 electron
What is the number of electrons a calcium atom must gain or lose to have 8 valence electrons?
two electron should be lost
How many electrons must Chlorine gain to acquire noble gas arrangement?
1 electron
How many electron must phosphorus gain in order to achieve an octet?
This atom must gain 3 electrons to achieve an octet.
How many electrons must be gained or lost for calcium to attain a noble-gas electron configuration?
two electrons lost
How many electrons must be gained by chlorine to achieve sec?
Chlorine gain an electron in chemical reactions.
How many electrons must be lost for Cs to achieve a nobel gas electron confirguation?
1
In order for an atom to become an ion it must due what?
It must have a charge. That is, gain or lose an electron from it's neutral state. H is a hydrogen atom. H+ is a hydrogen ion. Cl- is a chloride ion. (note the "ide" is often used to indicate a negative charge. H- is known as a hydride.)
