Question
The atomic number of oxygen is _______.
The correct answer is
8
The atomic number of an element represents the number of protons in its nucleus. Oxygen has 8 protons, so its atomic number is 8. The atomic number is fundamental in defining an element's chemical properties.
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Important Questions from Chemistry
Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?
Which one of the following is the chemical formula of Hypobromous acid?
Which one of the following is not used as a raw material in the manufacture of glass?
Which one of the following statements about dihydrogen (H 2) is not correct?
Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH) 2) is an example of
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