HEYA! ! Diamonds, Graphite (lead) and Coal. These 3 substances are made up of a common compound, i.e, Carbon. Diamond has a linked Carbon structure and that is why it is hard.
What do diamonds coal and pencil lead have in common?
Diamond, coal, and pencil lead have a lot of things in common. … Diamond and Graphite are different and very much the same, both are made of pure carbon, but, one is soft and the other is hard.
What do diamonds and coal have in common?
Coal and diamonds share a common foundation, or base – the element carbon – represented by C in the periodic table. … Carbon used to make coal is far from its purest form. Diamonds however, are made from a pure form of carbon that has been subjected to extreme pressure and heat in order for it to crystallize.
What do diamonds coal and graphite have in common?
Carbon. Both graphite and diamonds are made out of pure carbon. The chemical composition of the two is exactly the same. This makes graphite and diamonds allotropes of carbon along with amorphous, which is commonly called soot or carbon black.
Is lead made from coal?
Coal itself isn’t a particularly toxic material. But after it’s burned, what remains in the ash includes lead, mercury, cadmium, chromium, arsenic, and selenium, all in levels that may threaten human health. … Using ash in concrete, for example, locks in the heavy metals and makes the concrete stronger.
What element is coal and diamond made of?
Surprisingly, these gems are made of only one element, carbon. Carbon is the same element that makes coal or graphite used for pencils. Why are diamonds transparent and hard while coal and graphite are opaque and soft? It all comes down to the placement of their atoms.
What causes coal and diamonds to appear different?
Diamonds and coal are different colors because coal isn’t pure carbon. The stuff is loaded with impurities: Hydrogen, sulfur, mercury, and more. … This is where things get complicated, because the differences between diamonds and carbon black, or diamonds and graphite, happen at the molecular level.
What are the similarities and differences between coal and diamond?
What is the difference between coal and a diamond?
|3. Diamond require much high pressure and heat to be Manufactured||3.Coal does not need much pressure and heat.|
|4. Diamond is pure in nature||4.Coal contains impurities of other Elements as well like Oxygen, Sulphur, Nitrogen etc.|
How are coal and diamond different from each other?
Coal is an impure carbon, it has impurities like oxygen, nitrogen, sulphur etc. Diamond requires a very pure form of carbon. Diamonds are formed much lower on Earth than the levels at which coal is formed. …
Does coal turn into diamond?
Over the years it has been said that diamonds formed from the metamorphism of coal. According to Geology.com, we now know this is untrue. “Coal has rarely played a role in the formation of diamonds. … The diamonds form from pure carbon in the mantle under extreme heat and pressure.
What element do diamonds and graphite have in common?
Diamond and graphite are different forms of the element carbon. They both have giant structures of carbon atoms , joined together by covalent bonds .
Is the any similarity between graphite and diamond?
Graphite and diamond are two of the most interesting minerals. They are identical chemically – both are composed of carbon (C), but physically, they are very different. Minerals which have the same chemistry but different crystal structures are called polymorphs.
What type of structure do diamond and graphite have?
Both diamond and graphite are made entirely out of carbon, as is the more recently discovered buckminsterfullerene (a discrete soccer-ball-shaped molecule containing carbon 60 atoms). The way the carbon atoms are arranged in space, however, is different for the three materials, making them allotropes of carbon.
Was there lead in pencils?
This may come as a shock to some people but lead pencils do not contain any lead. Never did. The “lead” actually is a mixture of graphite and clay; the more graphite, the softer and darker the point. … So it is a good thing we do not have “lead” pencils for children to chew on.
What are some fun facts about lead?
Interesting Lead Element Facts
- Lead has atomic number 82, which means each lead atom has 82 protons. …
- Lead is a considered a basic metal or post-transition metal. …
- Lead is one of the metals that was known to ancient man. …
- Over half the lead produced today is used in lead-acid car batteries. …
- Lead is highly toxic.
How is lead formed in nature?
Lead is found in nature, rarely in pure form but in ores with other metals — the most abundant one in the Earth’s crust being galena (PbS). Natural formation of lead occurs by radioactive decay of uranium and thorium through radon (222Rn).