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3 years ago

What are some properties of carbon? Please help

Biology

1 answer:

lilavasa [31]3 years ago

3 0

Answer:

Properties Of Carbon :

Explanation:

Carbon:

Symbol: C

Electronic Configuration: 2 , 4

Valency : 4 (Tetra-valency)

Occurrence in nature →Earth's crust → 0.02% in the form of minerals like carbonates, coal, petroleum.

In atmosphere -0.03% in carbon dioxide is ( gaseous form)

Properties of carbon:

Carbon forms Covalent is bonding and Covalent compounds wwhich do not conduct electricity.
Carbon has three allotropes i.e Diamond, Graphite and Fullerenes.
In diamond carbon atoms bonded together in tetrahedral lattice arrangement.
In graphite carbon atoms are bonded together in sheets of hexagonal lattice.
In Fullerenes ccarbon atoms are bonded together in spherical, tubular, or ellipsoidal forms.
Carbon plays a major role in organic compounds.
Carbon is a Tetravalency. (valency :4)
So that it is easily share the electrons so that it gives a possibility of large number of compounds. Carbon compounds are also called as organic compounds. Carbon compounds are also called organic compounds.

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Which of the following explains why water is a good solvent for polar and ionic compounds?

Anni [7]

Hi there!

Electronegativity is the concept of how likely an atom is to attract the shared molecules in one of these bonds to itself. We know the molecule water is made up of two hydrogens and one oxygen. The electronegativity of hydrogen is 2.2, and oxygen 3.4. An ionic bond needs at least a difference in electronegativity of 1.6. As the difference is less than that, we can say that water is a covalent molecule. This then wipes out choice B, because it is not ionic, and C, as we have seen it is actually covalent.

Now, we can see the difference in electronegativity between oxygen and hydrogen is still 1.2. This means that while it is not at the point for there to be an ionic bond, there is still a difference in attraction, where the electrons will tend to favor the oxygen more and 'hang around it' more. As electrons are negatively charged, this means that the oxygen will gain a slightly negative charge. This then makes the molecule polar, because it now has a charge within the molecule. This means we have our answer, choice D.

In terms of hydrophobic molecules - they tend to be ones without a charge. (If you're interested in this kind of stuff, I'd search hydrophobic up, and possibly also look into hydrogen bonds).

Hope this helps! Feel free to ask me any other questions you have about this specific problem.

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