⚛️ Hydrogen – The First Element in the Periodic Table

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🔢 What is Hydrogen?

• Hydrogen is the first element in the periodic table.
• It has the symbol H.
• It is the lightest and simplest element.

🧠 Hydrogen has:

• 1 proton
• 1 electron
• (Usually no neutron)

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🌌 Why is Hydrogen special?

• Hydrogen was the first element formed after the Big Bang.
• It is the most common element in the universe.
• Most stars (including the Sun 🌞) are made mostly of hydrogen.

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☀️ Hydrogen in the Sun and stars

• Inside the Sun, hydrogen atoms join together.
• This process makes energy, light, and heat.
• That energy keeps Earth warm and bright!

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💧 Hydrogen on Earth

• Hydrogen is part of water (H₂O).
• Every water molecule has two hydrogen atoms.
• Hydrogen is also in:
  • Plants 🌱
  • Animals 🐾
  • You! 😊

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🔥 Is hydrogen safe?

• Hydrogen is very flammable.
• It can burn easily if not handled carefully.
• Scientists use it safely in labs and rockets 🚀.

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🚀 Uses of hydrogen

• Rocket fuel 🚀
• Making electricity in fuel cells
• Used in industries and science

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🧠 Easy to remember

Hydrogen is number 1 because it is simple, light, and everywhere

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⭐ Fun facts for kids

• Hydrogen makes balloons float 🎈
• It has no color, smell, or taste
• Without hydrogen, there would be no water and no life

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