Carbon Structure

Question 1

its atomic number is 6, represents the number of electrons, it is a non metal

Answer 1

Carbon

Question 2

Uniqueness of Carbon

Answer 2

Can bond with other atoms at an unlimited degree, small in siza and can fit into larger molecules

Question 3

The chemistry of the element carbon, exceptionally important area of chemistry

Answer 3

Organic Chemistry

Question 4

How abundant is Carbon?

Answer 4

6th most abundant

Question 5

Carbon is obtained from what deposits?

Answer 5

Coal deposits, and processed for commercial usage

Question 6

Defined as different structural forms of a single chemical element, results from different ways atoms can bond to one another

Answer 6

Allotropes

Question 7

Behaviour exhibited by certain chemical elements, can exist in two or more different forms

Answer 7

Allotropy

Question 8

Naturally occuring allotropes of carbon (3)

Answer 8

Soot
Graphite
Diamond

Question 9

Formed when a material containing carbon is burned without enough oxygen to burn completely

Answer 9

Soot (aka carbon black) (used on making inks and paints, rubber products, and dry cell batteries)

Question 10

One of the softest material known, used as a lubricant

Answer 10

Graphite (can be produced by treating petroleum coke in an oxygen-free oven)

Question 11

One of the hardest substances known, typically used on jewelry

Answer 11

Diamonds (can occur naturally and produced artificially)

Question 12

How are diamonds made?

Answer 12

Squuezing graphite under high temperatures a pressure for several days or weeks

Question 13

Other allotropes of carbon

Answer 13

White Carbon
Fullerene (Buckyballs)
Carbon-14

Question 14

Produced in 1969, can split a single beam of light into two (property called birefringence)

Answer 14

White Carbon

Question 15

Large molecules and recently discovered, subject of scientific interest, consists of 60 to 70 carbonslinked in a soccer ball-like structure, able to trap other atoms within its framework, can withstand great pressures and are superconductive

Answer 15

Fullerene (Buckyballs)

Question 16

Radioactive isotope of carbon, half life of 5730 yrs, used to find age of former living things through radiocarbon dating

Answer 16

Carbon 14

Question 17

Physical properties of allotropes

Answer 17

Diamond is transparent, graphite is opaque
Diamond is the hardest substance known, graphite is soft and spongy in texture
Diamond can’t conduct electricity, graphite is a very good conductor
Both are solid and non gaseous
Both insoluble in water

Question 18

Atoms of the same element but different mass no. and no. of electrons

Answer 18

Isotopes

Question 19

Single bond (CnH2n +2)

Answer 19

Alkane

Question 20

Double bond (CnH2n)

Answer 20

Alkene

Question 21

Triple bond (CnH2n -2)

Answer 21

Alkyne