Which of the following ideas did Greek philosopher Democritus contribute to the atomic theory?

Chemistry

1 answer:

lozanna [386]3 years ago

7 0

Answer:

c. all matter is composed of small particles,which combine to make larger objects

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what are two ways the study of fossils helps add to our understanding of the changes in Earth's environments?

dybincka [34]

They help us understand the concept of evolution and they help us understand what our earth was like before and after pangea or the great continental drift

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4 years ago

Your lab partner named this compound 3-methyl-4-n-propylhexane, but that is not correct.

loris [4]

<u>Answer:</u> The correct IUPAC name of the alkane is 4-ethyl-3-methylheptane

<u>Explanation:</u>

The IUPAC nomenclature of alkanes are given as follows:

Select the longest possible carbon chain.
For the number of carbon atom, we add prefix as 'meth' for 1, 'eth' for 2, 'prop' for 3, 'but' for 4, 'pent' for 5, 'hex' for 6, 'sept' for 7, 'oct' for 8, 'nona' for 9 and 'deca' for 10.
A suffix '-ane' is added at the end of the name.
If two of more similar alkyl groups are present, then the words 'di', 'tri' 'tetra' and so on are used to specify the number of times these alkyl groups appear in the chain.

We are given:

An alkane having chemical name as 3-methyl-4-n-propylhexane. This will not be the correct name of the alkane because the longest possible carbon chain has 7 Carbon atoms, not 6 carbon atoms

The image of the given alkane is shown in the image below.

Hence, the correct IUPAC name of the alkane is 4-ethyl-3-methylheptane