Study the diagram below and answer these questions 1-6:
2 answers:
N=1 shell contains 2 electrons. n=2 shell contains 5 electrons. n=2 is the outermost shell. Therefore there were 5 electrons before sharing. 6 electrons are being shared between 2 nitrogen atoms. Pair of electrons form a covalent bond. Therefore 3 pair of electrons will form 3 bonds.
Explanation:
When n = 1 then it means the first shell of an atom whereas n = 2 means the second shell of an atom and so on.
As every atom consists of three sub-atomic particles which are protons, neutrons and electrons.
Protons and neutrons reside inside the nucleus of an atom and electrons revolve outside the nucleus of the atom.
A covalent bond is defined as the bond formed by sharing of electrons between the two combining atoms.
Therefore, the given questions are answered as follows.
There are 2 electrons in the n = 1 shell. There are 5 electrons in its n = 2 shell. There are 5 electrons in nitrogen's outer shell before sharing electrons. 6 electrons are being shared between the two nitrogen atoms. Covalent bonds exist between the two nitrogen atoms.
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