Question

cannot be separated by physical or chemical means

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Answer 1

Explanation:

Group of similar atoms is called an element. ... An element cannot be separated into simpler substances by physical or chemical means.

Answer 2

Elements cannot be separated by physical or chemical means.

Explanation:

• The elements are defined as the substances that cannot be fragmented into another substance.
• Each and every element is made up of atoms and they are different in nature.
• There are 4 basic elements such as hydrogen, oxygen, nitrogen and phosphorus.
• Chemical compounds cannot be separated or broken down.
• The most essential process in human body is cellular respiration. Oxygen, carbon and hydrogen combine to form cellular respiration.