3+-+cleveland+-+Ne

=Neon =

Symbol: Ne Atomic number: 10 Atomic mass: 20.18 Group or Family: 18 in the table Element category: Noble Gases Neon has 10 protons, 10 Neutrons, 10 electrons. = =

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Discovered: It was discovered in 1898 as one of the three residual rare inert elements remaining in dry air, after nitrogen, oxygen, argon and carbon dioxide are removed. Neon's name is from a Greek word meaning "new one." Neon is the fifth in cosmic abundance after hydrogen, helium, oxygen and carbon.

What it is used for: 1. Neon is often used in advertising signs. 2. It produces a bright reddish-orange color. 3. Some other lights with different colors are sometimes called neon lights. 4. It is used for vacuum tubes, high-voltage indicators, lightning arrestors, wave meter tubes, television tubes, and helium-neon lasers. Neon is the second-lightest noble gas, after helium. Neon is found in the atmosphere. It's also in the air we breathe. Characteristics: 1. Neon forms no known stable compounds. 2. It has the smallest liquid range of any element (2.6 °C). 3. Neon is a colorless, odorless gas under standard conditions, with about two-thirds the density of air. 4. It is very rare on earth. 5. Neon is the second-lightest noble gas, after helium. Neon is found in the atmosphere. It's also in the air we breathe. == = =