Question

Which of the following statements about elements and atoms is true?

A. Atoms are the smallest unit of an element.
B. Atoms are made of particles called elements.
C. Elements are made of more than one type of atom.
D. Elements are changed into atoms by a chemical reaction.


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Answer 1

A. Atoms are the smallest unit of an element.

Step-by-step explanation:

The correct statement from the given choices is that atoms are the smallest unit of an element.

Atoms are the smallest particles that takes part in chemical reactions and they are made up of protons, neutrons and electrons.

• Elements are distinct substances that cannot be split up into simpler substances.
• They are made up of only one kind of atoms.
• Elements are not changed into atoms by chemical reactions.
• In chemical reactions, atoms simply recombine.