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The oxidation states of selenium are: 1 to 6 and -1, -2.

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9y ago

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How many electrons will selenium lose or gain in forming an ion?

Selenium may lose 2, 4 or 6 electrons and may gain 2 electrons.


How many electrons does selenium gain or lose in forming an ion?

Selenium can gain 1 electron or loss 2, 4, 6 electrons.


How many electrons does selenium need to lose or gain to be stable?

Selenium needs to gain two electrons to achieve a stable electron configuration. By gaining two electrons, selenium will have a complete outer energy level (valence shell), which is the most stable configuration for an atom.


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 electrons selenium would arsenic lose or gain when forming an ion?

Selenium typically gains two electrons to achieve a stable electron configuration, forming the Se2- ion. Arsenic typically loses three electrons to achieve a Noble Gas electron configuration and forms the As3+ ion.


How many electrons does the element selenium have with the charge of negative 2?

It should gain 2 electrons


Will Se lose or gain electrons and how many?

Se will gain electrons


How many electrons does selenium gain?

Selenium gains two electrons to achieve a stable electron configuration, usually by forming ionic compounds in which it takes on a -2 charge.


How many atoms selenium lose?

Selenium typically loses 2 electrons to achieve a stable electron configuration. This results in the formation of a 2+ ion for selenium.


How many electrons selenium?

Selenium has 34 electrons.


How many electrons does Si gain or lose?

Silicon (Si) can gain or lose 4 electrons. It can either gain 4 electrons to have a stable octet configuration or lose 4 electrons to achieve a stable configuration.


How Many electrons will iron gain or lose when it forms a ferric ion?

it will lose 3 electrons