Why Gold Is So Expensive? #vigyanrecharge

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Sir sona hai.isliye apne ise video me bhi bataya tha (alpha particle vala experiment)

AaravJain

Platinum is the most expensive precious noble metal. Due to its higher density it got sunken into the earth's core in millions of years and not very much is left in the crust

harshvardhansinghchouhan

I am not sure but according to my study 'FRANCIUM' is the most expensive element on the earth
Name :- Francium
Atomic no :- 87
Founded in :- 1939
By :- Marguerite Perey
At :- Curie Institute in Paris
It take 22 minutes to disintegrate the half atom
Availability on earth :- only 24.5 gram
Price of 1 gram :- more than 1 billion dollars
In indian currency :- more than 8, 000 crore

educationaldiscovery

Gold is most malliable and ductile. 2- gm gold can stretch upto 1km

Lakshit_lakshya

It's refreshing to see the overview of a process and fortunately enough as a mechanical engineer i can relate to all shorts. There are lot of processes which are needed to make it, the machines, mechanisms, furnace temperatures to be maintained, but an overview to a common student can really spark an interest and believe me world of mechanical engineering is interesting, if you are not after money at start, after 5+ years of experience you will know the value of it. There are many branches in which it is divided and the truth is you will get to know some amount of knowledge of each branch as you go ahead and reach a managerial level. An experienced engineer becoming a manager is valued at a different level, than you will think making money is nothing compared to it. A simple consultant of a niche product, can even earn more money.
Sorry guys, for a long post, the comments section really helps to burst out knowledge because there is just so much of it.

saurabh

Francium is a chemical element with the symbol Fr and atomic number 87. It is extremely radioactive; its most stable isotope, francium-223, has a half-life of only 22 minutes. It is the second-most electropositive element, behind only caesium, and is the second rarest naturally occurring element

THUNDER

सर आपकि ऐसी ही आबज ओर ऐसी जानकारिओ को मे अब बहुत याद करता हु 😢

uddhyani

Uranium and plutonium left the chat... 💀

MRPKAROFFICIAL

I pls beg u🙏🙏 to continue explaining about purification of metals🥺
Isse metallurgy samajh aa rhi hai 😅 jo class me ni aati aur mushkil se ratna padta hai 😶
Agr metallurgy ke bare me aap aur bataoge toh hum jee aspirants pe upkaar ho jaega 😅

If you will then give a heart if not reply anything so that I can know

Arpit.Suryavanshi

among all elements Gold offer most melleability.

gamersgame

Sir gold is the most malleable metal because it's atoms are arranged in a face-centered cubic crystal structure, which allows the atoms to move and slide past each other easily.

ak_edits.