Neon is the chemical element with the symbol Ne and atomic number 10. It is a noble gas. It is in group 18 on the periodic table and like its “siblings” helium, argon, krypton, xenon and radon, neon has a full outer shell with 8 valence electrons.
It is a monatomic gas under standard conditions with about two-thirds the density of air, which is mostly nitrogen (N2). The atoms of neon are very small and light.
The most common use of neon is in lighting. It is used in a wide variety of applications including neon tubes in electric circuits, neon signs and lasers for producing very bright light.
But there are some risks associated with the use of neon. It is known as an asphyxiant and when inhaled, it can cause nausea, dizziness, unconsciousness, vomiting or even death.
Asphyxia is caused by the rapid loss of oxygen in the body. It affects both the heart and lungs. As the body tries to keep up with the lack of oxygen, muscle coordination and mental alertness decreases. Fatigue, emotional distress and depression also occur.
Symptoms of neon asphyxia include:
As the exposure to neon continues, it can lead to fatal consequences. The earliest symptoms are rapid respirations and hunger for oxygen. These can be followed by depressed mood, faulty judgment and muscle weakness, eventually leading to a coma and death.
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