3 years ago

Is the mass of an electron taken into account for the atomic mass?

Chemistry

1 answer:

yawa3891 [41]3 years ago

6 0

Answer:

No because protons determine what type of atom it is. It is protons and neutrons that account for atomic mass

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Which of the following best explains why a structural formula of a chemical compound is more useful than a molecular formula?

Ganezh [65]

Answer: the correct answer is (A).

Explanation:

Structural formula not only tells us about the number and types of atoms in a molecule but also tells us about the bonded positions of all the atoms in a molecule of that particular compound.

Molecular structure only tells us about the numbers of atoms and types of atoms present in a molecule of that particular compound.

For example: Molecular formula of propanone and propanal are same that is $C_3H_6O$ but structural formula is different that $CH_3COCH_3$ for propane and $CH_3CH_2CHO$ for propanal. Here structural formula is showing that how the atoms in propanone and propanal are bonded together.