SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the formula formed from the atom U and W. [Proton number of U = 7; W = 9]
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UW3
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U2W
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UW
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UW2
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Explanation:
Detailed explanation-1: -For example, Consider N(nitrogen) with atomic number 7 and mass number 14. As atomic number represent number of proton or electron, hence, nitrogen contain 7 proton and 7 neutron and Mass number is 14 out of which 7 are proton, so remaining 7 are neutrons.
Detailed explanation-2: -If it has 7 protons, that’s nitrogen.
There is 1 question to complete.