Question

2 substance when viewed under an electron microscope revealed that it contains
only one kind of atoms. Is the substance an element compound or mixture?​

Answer 1

Answer:

Substance made up of same kind of atoms is called a molecule . Molecule : When a substance is made up of only one kind of atom, we call it an element. Examples of elements are gold, oxygen and aluminium etc.

Explanation:

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Answer 2

Answer:

Molecule : When a substance  is made up of only one kind atom, we call it an element. Examples of elements  are gold, oxygen and aluminium etc. Similarly, 2 hydrogen atoms combine with each other to to form  a molecule of hydrogen.

Explanation:

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