What is element 86 on the periodic table?

What is element 86 on the periodic table?

Radon
Radon – Element information, properties and uses | Periodic Table.

Is radon a metal or not?

The chemical element radon is classed as a noble gas and a nonmetal. It was discovered in 1900 by Fredrich E. Dorn.

What radon is used for?

Radon is used to track air masses to a limited level. Changes in groundwater radon concentrations help in the prediction of Earthquake. In the 1940’s radon is used X-ray sources and for industrial radiography.

What is the atomic number of radon?

86Radon / Atomic number

What is 91 on the periodic table?

protactinium
protactinium (Pa), radioactive chemical element of the actinoid series of the periodic table, rarer than radium; its atomic number is 91….protactinium.

Is radon toxic?

It can be in the air around you, but it’s usually in very small amounts that aren’t harmful. Large amounts of radon cause health problems. Even though it’s a natural gas that comes from the earth, it can be toxic if you breathe in a lot of it over a long time.

Is radon and radium the same?

Not exactly. For starters, radon is a gas and radium is a solid. Radium is produced by the natural decay of uranium, a radioactive element found in nature in low quantities.

What is the most worthless mineral?

Within the standard 92 elements found in nature, most have at least some practical use, the most useless probably being Thulium, which is usually the butt of jokes on the subject, but still has some actual applications (http://en.wikipedia.org/wiki/Thulium#Applications).

Which element has the longest name?

rutherfordium
The prize for the longest element name goes to rutherfordium, named after the famous New Zealand physicist Lord Ernest Rutherford who won a Nobel Prize in chemistry. Praseodymium means ‘green twin’, a name that relates to confusion over the supposed element didymium.

Who was the first president to be born in Hawaii?

Birth places