Question

How many atoms of each element are in one molecule of 2-heptanone

Answer 1

A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. The 2-HEPTANONE molecule contains a total of 21 bond(s) There are 7 non-H bond(s), 1 multiple bond(s), 4 rotatable bond(s), 1 double bond(s) and 1 ketone(s) (aliphatic).

Answer 2

Step-by-step explanation:

CH3 provides 1 Carbon

C4 provides 4 carbons

COC provides 2 more

Total 7 Carbons

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COCH3 Provides 1 Oxygen

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CH3 provides 3 Hydrogens

C4H8 provides 8 hydrogens

COCH3 has 3 more hydrogens

Total 14 hydrogens

The answer should be B.

You should note that there are no brackets which means you only need to read the small numbers going down behind each element. You might have to read that sentence a could of times, but it is important to know.