There is no set amount of valence electrons for nonmetals. The amount of valence electrons a nonmetal has is determined by the number of electrons on the outer shell of the atom.
A chemical stable atom is when it has the same number has electrons and protons. When the electrons and the protons are same it cannot react with any other atom till then and the atoms are called as inert atoms.
Yes, ammonia (NH3) has one set of lone pair of electrons on the nitrogen atom.
No, according to the Pauli exclusion principle, no two electrons can have the same set of quantum numbers in an atom. This means that two electrons cannot occupy the same space orbital if they have the same spin.
Each orbital can hold a maximum of 2 electrons, following the Pauli exclusion principle which states that no two electrons in an atom can have the same set of quantum numbers.
When an oxygen atom gains two electrons to become an oxide ion, it fills its outer energy level and achieves a stable electron configuration known as the octet rule. This results in a complete set of eight electrons, giving it a full valence shell and a charge of -2.
When a bromine atom gains an electron, it becomes a bromide ion with a charge of -1. This extra electron fills the outer electron shell of the bromine atom, giving it a full set of electrons and making it stable.
The overall charge of any atom is 0. This is because the overall charge is number of protons - number of electrons. For every atom the number of electrons is equal to the number of protons so it is 0.
An atom with 5 valence electrons can achieve a full set by gaining 3 electrons to fill its outer shell, creating stability. This can be achieved through ionic bonding with elements that can donate electrons, such as those with 3 valence electrons, like boron.
An atom with 4 valence electrons will have to either gain 4 electrons or lose 4 electrons to achieve a full set of eight electrons.
Noble gases have a complete set of valence electrons in their outermost energy level, which is why they are known to be stable and unreactive.
Bohr's model
An atom with five valence electrons can achieve a full set of eight valence electrons by either gaining three electrons (to reach a stable octet) or losing three electrons to have a stable arrangement. This would result in the atom forming an ionic bond, such as in the case of boron transferring three electrons to become the boride ion.
There is no set amount of valence electrons for nonmetals. The amount of valence electrons a nonmetal has is determined by the number of electrons on the outer shell of the atom.
Completely filled octet.
If you mean "where are the valence electrons" then they are flying around the outside of the atom.If you mean "why" then I don't know. they're just there to be the outermost set of electrons.
A chemical stable atom is when it has the same number has electrons and protons. When the electrons and the protons are same it cannot react with any other atom till then and the atoms are called as inert atoms.