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Absorption and transmission of water and mineral salts in plants is a very important process for plant survival. How much do you know about it?

Do you know plant parts? Take this quiz and refresh your knowledge

State the modern atomic theory and learn how atoms are constructed.

Test your knowledge and memory identifying symbols of comment elements

Learn the basic terms to endeavour the journey of Chemistry

Test your knowledge about some fundamental concepts in matter

Since 100% of a number is the number itself, it follows that 200% of a number would be twice the number.

The periodic table sorts the elements by chemical properties and are listed horizontally in order by atomic number.