When hydrogen shares electrons with oxygen, the outermost shell of the hydrogen atoms are full with :
electrons and oxygen’s valence shell is full with :
electrons.
Because the valence shells of these atoms are full, the atoms are stable.

Respuesta :

Hydrogen is written as H2 and oxygen is written as O2

When they bond it is a covalent bond.

Hydrogen has 1 negative electron , which would attract one from oxygen, so its outer shell would have 2 electrons.

Oxygen outer shell holds 8 electrons.

The answer is

2 and 8

When hydrogen shares electrons with oxygen, the outermost shell of the hydrogen atoms are full with 2 electrons and oxygen’s valence shell is full with 8 electrons.

Hydrogen and oxygen are nonmetals that bond through covalent bonds, that is, they share pairs of electrons to obey the octet's rule. The octet´s rule states that atoms will gain, lose or share electrons to have 8 electrons in their valence shell. However, hydrogen is an exception to the octet rule, because its valence shell (n = 1) is full with 2 electrons.

When hydrogen shares electrons with oxygen, the outermost shell of the hydrogen atoms are full with 2 electrons and oxygen’s valence shell is full with 8 electrons. Because the valence shells of these atoms are full, the atoms are stable.

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