What element has the largest atomic mass?

What element has the largest atomic mass?

It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Ununoctium is currently the only synthetic member of group 18. It has the highest atomic number and highest atomic mass of all the elements discovered so far.

How much energy do U.S. cows generate by burping?

Researchers at the Texas Department of Highways in Fort Worth determined the cow population of the U.S. burps some 50 million tons of valuable hydrocarbons into the atmosphere each year.  The accumulated burps of ten average cows could keep a small house adequately heated and its stove operating for a year.

Why are oranges called oranges?

It was named for it color. Actually, use of the word ‘orange’ to describe a cross between red and yellow wasn’t recorded until three hundred years after the fruit appeared in Europe. It’s thought that oranges get their name from the Sanskrit word for fragrant – naranja.

How long does it take to recover from giving blood?

Your body will replace the blood volume (plasma) within 48 hours. It will take four to eight weeks for your body to completely replace the red blood cells you donated. The average adult has eight to 12 pints of blood. You will not notice any physical changes related to the pint you donated.

What does the term brownie points mean?

Brownie points in modern usage are a hypothetical social currency, which can be acquired by doing good deeds or earning favor in the eyes of another, often one’s superior. In New Zealand slang, the expression also carries the derisory connotation of having accomplished something petty or otherwise unimportant.

Why is it called the qwerty keyboard?

The arrangement of the first six letters in the top alphabet row of a standard keyboard QWERTY goes way back. The layout was created in 1873 when Christopher Latham Sholes made improvements to his earlier typewriter models in order to design a quicker and more efficient typewriter for E. Remington and Sons.

What is John Hancock famous for?

Born on this day in 1737, John Hancock is most famous for his bold signature. On August 2, 1776, he was the first member of the Continental Congress to sign the Declaration of Independence, the document first demanding independence for the United States from the rule of Great Britain.

What does a chemical formula show?

A chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. The molecular formula doesn’t tell how the atoms in a compound are arranged. molecular formula. A chemical formula that shows the number and kinds of atoms in a molecule.