Element Symbols: Each element is represented by a unique one- or two-letter symbol, ... Helium, Neon, Argon). Periodic Trends: Atomic Radius: Decreases across a period and increases down a group.

For example, the symbol for the element mercury, ... For example, xenon means "the stranger" in Greek and argon means "inert." Helium is named after the sun. On supporting science journalism.

Researchers have demonstrated that by using argon plasma, metal atoms can be dispersed and guided to desired positions. This ...

Argon is an inert, colorless and odorless element — one of the Noble gases. Used in fluorescent lights and in welding, this element gets its name from the Greek word for "lazy," an homage to how ...

Now, each element has a chemical symbol made of one or two letters. Cal: Right, OK. And what is the ... even if there is a gap. For example, the third period contains sodium (Na) to argon (Ar ...

Argon didn't fit in the periodic table known at the time, and it was Ramsay who suggested including an additional column, group 18. Helium, and other elements subsequently discovered, were to find ...