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Do you know that...
- Caffeine is the most widely consumed addictive in the world and HONEY is the only that cant spoil......
- —Guest Divine Opia
Olivia's equation is innocorrect
- 2 Hydrogen + 1 oxygen = H2O which the chemical name for it is dihydrogen monoxide.
- —Guest 013-The Chemistry Nerd
The Standard Oxygen
- In 1961 a historical event took place when oxygen was replaced by carbon 12 to be used as the atomic weight standard for other elements.
- —Guest Alfazeena
Masaya sa pinas
- sobranginit sa pinas ;) hahah
Cops got the nickname because buttons on their uniforms use to be made of copper metal. In England, policemen were nicknamed "coppers" and the US has shortened this to "cops."
- —Guest HULAHULA
- Astatine is the rarest element on Earth (approx 28g in the Earth's entire crust.)
- —Guest Bryan
- The element Californium is often called the most expensive substance in the world (as much as $68 million for one gram.)
- —Guest Bryan
- Do you know that hydrofluoric acid is so corrosive that it will dissolve glass,although it is corrosive,hydrofluoric acid is consided to be a weak acid
- Car tires are black because they are about 30% carbon black , which is added to rubber to strengthen it . The carbon black also helps it to prevent against U.V. damage
- —Guest sakshi duklan
- In the modern age, there are 5 known phases of matter, SOLID, LIQUID, GAS, PLASMA and BOSE EINSTEINIUM
- —Guest Clarence
- cesium has lowest ionization potential. because ionization potential decreases as the size of the element increases .so cesium being smaller than francium having the lowest ionization potential in the long form of periodic table,because francium is radio active .
- —Guest poojbaaya
Name three allotropes of Carbon
- Question: Name three allotropes of Carbon:
Answer: Diamond, Graphite, and Fullerene...
- —Guest Duck
- Tungsten has highest m.p(3300centigrate).so it is used as a filament in bulb.
- —Guest Raghvendra Pal
mnemonic for organics
- Most Electrons Prefer Bonding=MEPB=
Methane Ethane Propane Butane
- —Guest Ed Schramko
- Rub the petals of a red chinarose on a piece of white paper and let it dry for two minutes in air. Now just put a single drop of lemon sap on it, you will see a color change from blue to red. Here you have made a litmus paper- a quick and simple way to test the presence of acid and base.
- —Guest krishnendu
- Oxygen is not the most abundant element in our atmosphere. The most abundant element is Nitrogen, 78% while Oxygen is 21% and Argon is just short of 1%. Carbon Dioxide and trace elements make up the rest.
- —Guest Matt