Study the diagram and answer these questions: there are ? electrons in the n = 1 orbit of each atom. each atom has ? electrons in its n = 2 orbit. each atom has ? protons in its nucleus. each atom has ? total electrons. there are ? electrons in oxygen's outer shell before sharing electrons. there are ? electrons being shared between the two atoms.? bonds exist between the two oxygen atoms.

Explanation:

The given diagram shows an molecule. As atomic number of oxygen is 8 so, its electronic distribution is 2, 6. Also, atomic mass of an oxygen atom is 16.

This means it contains 8 protons and 8 neutrons.

When n = 1 orbit then it means the number of electrons present in very first orbit of an atom.

When there will be sharing of electrons between the two chemically combining atoms then there will be formation of a covalent bond.

Therefore, according to the diagram:

the seeing the electronic configuration we can say that the element is fluorine.

fluorine is the most electronegative element in the periodic table.

but by only seeing the configuration we cannot say about its reactivity because we don't know if its configuration after excitation or by addition of electrons.

but if not then, it is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. as the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.