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❤️Bond Length: Bond length is defined as the equilibrium distance between the nuclei of two bonded atoms in a molecule❤️
❤️Bond Angle: It is defined as the angle between the orbitals containing bonding electron pairs around the central atom in a molecule/complex ion❤️
❤️Bond Enthalpy: It is defined as the amount of energy required to break one mole of bonds of a particular type between two atoms in a gaseous state.❤️
❤️Bond Order: In the Lewis description of covalent bond, the Bond Order is given by the number of bonds between the two atoms in a molecule❤️
What is the significance of colours and different lines on road ?
WHITE LINES painted on the pavement indicate traffic traveling in your direction.
Broken White Line: you may change lanes if it is safe to do so.
Solid White Line: requires you to stay within the lane and also marks the shoulder of the roadway.
YELLOW LINES mark the center of a two-wayroad used for two-way traffic.
What is distribution of water on earth ?
The oceans are huge. About 70 percent of the planet is covered in ocean, and the average depth of the ocean is several thousand feet (about 1,000 meters).
Ninety-eight percent of the water on the planet is in the oceans, and therefore is unusable for drinking because of the salt.
About 2 percent of the planet's water is fresh, but 1.6 percent of the planet's water is locked up in the polar ice caps and glaciers.
Another 0.36 percent is found underground in aquifers and wells. Only about 0.036 percent of the planet's total water supply is found in lakes and rivers.
That's still thousands of trillions of gallons, but it's a very small amount compared to all the water available.
Why is Mona Lisa painting is so famous ?
Leonardo da Vinci's Mona Lisa is the most famous painting in the world.
Sitting behind bullet-proof glass at the Musée du Louvre ( Museum ) in Paris, the small portrait attracts around six million visitors per year.
The reason everyone cites for the Mona Lisa's popularity is her smile.
Some other reasons are :
1.Mona Lisa might have been the first painting to use the technique of chiaroscuro.
2. Mona Lisa, if studied according to the laws of Scared geometry , is the prefect representation of a body whose dimensions and measurements compliment the fundamental laws of the universe. ( So does the sketch of the Vitruvian man, also the work of Da Vinci.)