GOLD
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Gold in chemical element [gold AU ]. Gold is an precious and valuable metal which is the colour of 🟡 yellow. It Came under the group of 11 (Ib)and Period6 of the periodic table. Most of its qualities had made it exceptionally valuable throughout the history. Gold has many properties like it has a good bright colour and durable to a point of ritual in distractibility, has high malleablility and usefully got in nature in a good pure form.
Gold is a conductor of flame and electricity means power. gold is soft and high malleability and the ductile of all elements.Gold leaf,In this (One ounce)28 grams can been beaten out of 187 square feet about 17 square metres in thin sheets called gold leaf.
Because of its particular qualities gold has been used one material that is universally acceptable in exchange of goods and services. Approximately 45 % of all the worlds gold is held by governments and Central banks gold is still accepted by all Nations as a medium international payment.
Properties of gold:
- Color : Bright Yellow💛 colour
- Luster : It has a shine💫 or glow✨
- Ductility : It can be Hammered into unbelievable thin sheets of gold leaf
- Malleability : it has a Capability of being shaped or bent
- Conductivity : Good electrical conductor of Electricity and Heat
- Solubility : Solubility (able to be dissolve)
- Hardness : it is soft metal, gold is usually hardened by combining with copper, silver and other metals.
- Density : It is a dense metal
- Melting point : It melting point of gold is at 1065°
Gold is used common In:
Jewellery:
gold is used mostly in the form of jewelry about 78 % of gold is used each year in the form of jewellery.
Finance and investing:
gold is a rare and high valued material this material is preciously Natural currency and it is nearly at least of 6,000 years. gold value has been rise in the stock market for many years so it is good to invest and hold ,gold in coins ,bars, Gold Bullion.
Electronics And Computer:
Gold is used in almost all electronic devices including cell phones ,telephones ,GPS units and many more because of itcharge has efficiency in conductor of electrical charges.
Dentistry and medicine:
Gold is an best filling, Crown ,bridge and orthodontic appliances .it is a best fitment material because the metal is chemically inert is it to insert an non-allergic .gold is used by dentist before 700 BC. it can be used to replace the broken or missing.
Aerospace:
Gold plays an essential role in aerospace Technology. It is used to lubricate the mechanical parts , conduct electricity and coat the inside of space vehicles to protect people inside from infrared radiation and heat.
Medals and awards:
Gold is a highly precious metal .gold is used to make crowns, award, religious statues because of its high status. gold is symbol of proud. In everything from academic awards to Olympic Awards.gold is recognised for his admirable qualities and holds a Permanent place of value in humanity eyes.
Gold cannot be destroyed:
It is an amazing element which will not rust and fire cannot destroy it . However there doesn't exist way to dissolve gold using Aqua regia it is a mixture of hydrochloric and nitric acid .Even so this does not mean the gold is destroyed after exposure
Do gold have smell:
No, gold doesn't have smell because usually metals are not volatile and gold is a very low volatile metal does, so gold does not have any smell.
Does gold is eatable:
Pure gold is chemically inert and it can passes through the human digestive system without the absorsion of human body. Since 24-karat gold is very soft and fragile, most edible gold—whether leaf, flakes, or dust— contains a small amount of silver, which is also inert so it can be also eaten.
What is the taste of Gold:
Gold is an metal so it does not have any specific taste. Though it gold is an Super orunument luxury it has no taste.
Machine in Gold:
The world’s first and costliest gold vending machine is introduced in 2010 at an ultra-luxury hotel in Abu Dhabi. The machine is covered in 24-carat gold.
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