Which of the following is the correct definitio... - SS1 Physics Atomic Structure and Radioactivity Question
Which of the following is the correct definition of an atom?
A
A tiny particle that cannot be divided into smaller parts.
B
The smallest unit of matter that retains the properties of an element.
C
A combination of protons, neutrons, and electrons.
D
A subatomic particle with a positive charge.
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Correct Option: B
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