What mass of hydrogen is consumed when 587.9 kj of energy is evolved from the combustion of a mixture of h 2(g) and o 2( g)? h 2(g)+0 28)o h 20(; d -285.8 k a. 2.073 g b.0.2412 g oc.4.147 g od.6.162 g oe. 2.131 g

convalent bond :

is a chemical bond formed by the sharing of electron between 2 atoms.

it is the direct chemical bond between 2 atoms.

in bond formation atoms are involved here.

electrovalent bond:

is a chemical bond defined as electroststic attraction between 2 atoms.

it is the electrostatic attraction between 2 atoms.

in bond formation, ions are involved here.

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it's c. elements are placed in rows based on how may valencies electrons have.

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explanation:

because it is