Give the formula of the alkanes his molecule contains 28 hydrogen atoms

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Explanation:

Table 1. Summary of the Straight-Chain Alkanes

NameFormulaNumber of Structural Isomers

OctadecaneC18H38

NonadecaneC19H40

EicosaneC20H42366,319 (!)

29 more rows

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

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