Xenon

Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense, odorless noble gas found in the Earth's atmosphere in trace amounts. Xenon is a member of the noble gas group in the periodic table and is known for its relatively high density, stability, and unique properties.

Physical and Chemical Properties

• Atomic Number: 54
• Symbol: Xe
• Atomic Mass: 131.293 u
• Phase at Room Temperature: Gas
• Boiling Point: -108.12°C
• Melting Point: -111.9°C
• Density: 5.894 g/L
• Electron Configuration: [Kr] 4d¹⁰ 5s² 5p⁶

Uses

Xenon has various practical applications, including:

1. Lighting: Xenon is used in high-intensity discharge (HID) lamps, photographic flashes, and strobe lights.
2. Medical Imaging: It is used in medical imaging techniques such as xenon CT and MRI to visualize the lungs and brain.
3. General Anesthesia: Xenon has anesthetic properties and is used in anesthesia for its neuroprotective effects.
4. Space Exploration: Xenon is used as a propellant for ion thrusters in spacecraft.

Study Guide

If you are studying xenon, here are some key points to remember:

1. Xenon is a noble gas with the symbol Xe and atomic number 54.
2. It is a colorless, dense, odorless gas found in trace amounts in the Earth's atmosphere.
3. Xenon has various applications, including lighting, medical imaging, anesthesia, and space exploration.
4. It is known for its stability and unique properties, making it useful in diverse fields.

Remember to review the physical and chemical properties of xenon, as well as its uses and applications in different industries.