Helium: A Colorless Gas and Chemical Element with Atomic Number 2
Helium is a vital, colorless gas with atomic number 2, used in balloons, medical imaging, aerospace, and scientific research due to its unique properties.
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Oxygen: Essential Chemical Element with Atomic Number 8
Oxygen, atomic number 8, is vital for life, playing key roles in respiration, photosynthesis, and environmental balance essential for health and ecosystems.
Overview of Chemical Elements in the Periodic Table
Discover the periodic table’s organization and key chemical elements, their properties, and importance in matter and various scientific fields.