Class 9 – Science Extra Questions – Ch. 3 – Atoms and Molecules
Class 9 – Science Extra Questions – Ch. 3 – Atoms and Molecules Q. 1 Which of the following elements has the chemical symbol Au? A) Aluminum B) Argon C) Gold D) Silver Q. 2 What is the definition of an atom? A) smallest particle of matter known B) smallest particle of a gas C) […]
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