In the Earth's Womb!

Being the only planet in the universe, which has life. The Earth is the most special of all!

But what is more fascinating is, what lies inside this ball of rock...

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More from Grade 7 Chemistry


Combining, reacting, exploding and much more. Learn what all elements can do with their atoms!


Learn about the element twins, radicals, and how they react!

Chemical Formula

Chemical Formula is the language of Chemistry. Learn how to write the chemical formula of a compound from valencies of the elements using the criss-cross method.