How massive would earth have been if it had accreted hydrogen compounds in addition to rock and metal? assume the same proportion of the ingredients as listed in the table?

> How massive would earth have been if it had accreted hydrogen compounds in addition to rock and metal?

From the table, we can actually see that the relative abundance of the compounds are:

Hydrogen compounds = 1.4%

Rock = 0.4%

Metal = 0.2%

Earth has only rock and metals therefore the total percentage is (0.4 + 0.2)% = 0.6%.

Now if we are to include hydrogen compounds, so the new total is (0.4 + 0.2 + 1.4)% = 2.0%

The ratio is then:

2.0% / 0.6% = 3.3

Therefore the Earth would be 3.3 times more massive.

> The same procedure of calculation is performed when we would like to include the Helium and hydrogen gas

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