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Read the 10 facts about carbon and match the 2 parts of each statement. Organic Chemistry

Life on earth depends on the chemical element carbon, which is present in every living thing. Carbon is so important, it forms the basis for two branches of chemistry, organic chemistry and biochemistry.

10 Carbon Facts The Chemical Basis for Life

1. Carbon is the basis for organic chemistry

2. Carbon is a nonmetal that can bond with itself and many other chemical elements,

3. Elemental carbon can take the form of one of the hardest substances (diamond)

4. Carbon is made in the interiors of stars,

5. Carbon compounds have limitless uses. In its elemental form, diamond is a gemstone and used for drilling/cutting; graphite is used in pencils, as a lubricant, and to protect against rust;

6. Carbon has the highest melting/sublimation point of the elements. The melting point of diamond is ~3550°C,

7. Pure carbon exists free in nature

8. The origin of the name 'carbon' comes from the Latin word carbo, for charcoal.

9. Pure carbon is considered non-toxic,

10. Carbon is the fourth most abundant element in the universe -

a as it occurs in all living organisms.

b or one of the softest (graphite). 48

c though it was not produced in the Big Bang.

d and has been known since prehistoric time.

e forming nearly ten million compounds.

f hydrogen, helium, and oxygen are found in higher amounts, by mass.

g although inhalation of fine particles, such as soot, can damage lung tissue.

h The German and French words for charcoal are similar.

i while charcoal is used to remove toxins, tastes, and odors.

j with the sublimation point of carbon around 3800°C.

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Ответ:
Miki236
Miki236
11.04.2020 13:24
Giant pandas are black and white bears. They live only in China. They eat a plant called bamboo. Giant pandas walk on all four legs and climb trees. There are not many pandas left in the forests.They are black and white bears with round heads, small black ears and white faces. They have a black patch around each eye. They have short tails. They walk on all fours and can climb trees, often doing so to find a place to sleep.An adult Giant Panda is about 150 centimetres long and weighs about 90 kilograms, although the biggest one ever weighed was 180 kilograms.
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Ответ:
Асия2008
Асия2008
27.07.2021 14:00
This is my room.
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There is a new bed wooden near the wall.
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There is a comfortable armchair at the desk.
There are no carpets on the floor and on the walls of the room.
In a word there are the things that are necessary for me and they make my room nice and cozy.
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