Question

How are molecules and elements formed ?

GSEB - Class 9 Chapter - 4.Chemical Bonding Page 39

Answer 1

A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound. All compounds aremolecules, but not all molecules are compounds. When two hydrogen atoms combine with one oxygen atom, it becomes the compound water

Answer 2

elements occur naturally and molecules are formed when two or more elements react with each other. Elements have only one type of example: aluminium (Al), magnesium (Mg) and molecules have different types of atoms examples: ammonia(NH3) and ammonium(NH4).

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