Carbon Compounds

Question 1

This is a technology that the archaeologists use to estimate the amount of time it took for the carbon to disintegrate and estimate the age of the materials found.

Answer 1

Carbon Dating

Question 2

TRUE OR FALSE
Carbon Dating can be used to test samples of bone, cloth, wood, and plant fibers.

Answer 2

TRUE

Question 3

It is the branch of chemistry that deals with the study of carbon-containing compounds, which include their properties, composition, reactions, and preparations.

Answer 3

Organic Chemistry

Question 4

It is an organic substance that was made using inorganic substance. It is used to treat dry or rough skin conditions and some nail problems, and is naturally present in our urine.

Answer 4

Urea

Question 5

He is a German chemist who was able to make urea.

Answer 5

Friedrich Wöhler

Question 6

When did Friedrich Wöhler make urea?

Answer 6

1828

Question 7

What is the formula for the Urea?

Answer 7

Pb(OCN)2 + 2NH3 + 2H20 —> 2(NH2)2CO + Pb(OH)2

Question 8

What is the atomic number of Carbon?

Answer 8

Six

Question 9

How many electrons does the Carbon have in its outermost energy level?

Answer 9

Four (Tetravalent)

Question 10

TRUE OR FALSE
Carbon atoms can form strong covalent bonds with one another to produce compounds with unbranched chains, branched chains, and rings.

Answer 10

TRUE

Question 11

It is responsible for the formation of organic compounds found on Earth.

Answer 11

Versatility of Carbon

Question 12

It is the binding of an element to itself through covalent bonds to form chain or ring molecules.

Answer 12

Catenation

Question 13

These are organic compounds composed exclusively of carbon and hydrogen atoms.

Answer 13

Hydrocarbons

Question 14

These are two or more organic compounds with the same formulas but have different arrangements of atoms along the molecules.

Answer 14

Isomers

Question 15

It is used to treat hypertension, severe chest pain, migraine, or thickened heart muscle.

Answer 15

Propanal

Question 16

What is the other term for Propanal?

Answer 16

Propionaldehyde

Question 17

It refers to one of the two or more forms of a chemical element in the same physical state.

Answer 17

Allotrope

Question 18

What are the two categories of allotropes of carbon?

Answer 18

(1) Amorphous Form
(2) Crystalline Form

Question 19

It has no definite shape or form, and do not have fixed melting and boiling points.

Answer 19

Amorphous Form

Question 20

This is where atoms are orderly arranged.

Answer 20

Crystalline Form

Question 21

What are the five examples of the amorphous form?

Answer 21

(1) A coal mining site
(2) Mined coal
(3) Charcoal used in grilling
(4) Coke used as fuel for smelting iron
(5) Lampblack used for making ink

Question 22

What are the three examples of crystalline carbon forms?

Answer 22

(1) Diamond
(2) Graphite
(3) Fullerene

Question 23

It is the purest form of carbon and is very rare to find.

Answer 23

Diamond

Question 24

TRUE OR FALSE
Fullerene is the hardest substance that is known on Earth.

Answer 24

FALSE
Diamond

Question 25

It is another allotrope of carbon that has a trigonal shape structure from a carbon atom lined with three other carbon atoms.

Answer 25

Graphite

Question 26

TRUE OR FALSE Graphite is the most stable allotrope of carbon.

Answer 26

TRUE

Question 27

It is made up of 30 to 900 carbon atoms connected by single and double bonds.

Answer 27

Fullerene

Question 28

It is the form of a hollow sphere, which can be cylindrical as carbon nanotubes.

Answer 28

Buckyballs