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What are two elements that need 3 electrons to complete it's valence shell?

Two elements that need 3 electrons to complete their valence shell are nitrogen and phosphorus. Nitrogen has 5 electrons in its valence shell and needs 3 more to have a full shell, while phosphorus has 5 electrons in its valence shell as well and requires 3 more to achieve stability.


How many electrons does phosphorus have to gain in order to achieve a noble gas electron configuration?

Phosphorus has to gain a total of 3 electrons to achieve a noble gas configuration. You can find this for any non-metal because the last digit of its group number is the number of valence electrons it has. For example Phosphorus has 5 and Sulfur has 6. In order to achieve a noble gas electron configuration, you must have 8 valence electrons, so phosphorus must gain 3.


How many valence electron do atoms need to be staple?

8 valence electrons


How many electrons does phosphorus need to gain?

Phosphorus needs to gain three electrons to achieve a stable electron configuration.


How many valence electrons need to be accommodated in the Lewis structure for F2?

Four valence electrons need to be accommodated in the Lewis structure for F2. Each fluorine atom contributes seven valence electrons, totaling to fourteen valence electrons in the molecule.


In a reaction how many valence electrons will probably gain two electrons or share two covalent bonds?

In a reaction u need two valence electrons to gain or share two valence electrons.


How many valence electrons need to be accommodated in the Lewis structure for OF2?

6 valence electrons need to be accommodated in the Lewis structure for OF2. This accounts for the oxygen atom's 6 valence electrons and the fluorine atom's 1 valence electron each.


How many more valence electrons does soduim need to have a full outer valence shell?

7


How many valence electrons does nitrogen need to be full?

Nitrogen has five valence electrons as a neutral atom, but it is shooting for eight. So it needs to gain three more electrons.


How many more valence electrons does oxygen need to have a full outer?

Oxygen needs 2 more valence electrons to have a full outer shell. Oxygen has 6 valence electrons, and a full outer shell for oxygen is achieved at 8 valence electrons.


How many additional valence electrons does chlorine need to have a full valence shells?

11 electrons makes the third energy level complete. One


Phosphorus will electrons to complete its octet changing it into a(n) .?

Phosphorus need 3 electrons to complete its octet.