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MPSC Combined Exam: Chemistry Quiz 6
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Question 1
An element X with atomic number 13 loses 3 electrons from its outermost shell. What will be the number of protons and mass number of the element X?
Question 2
If Na(Avagardro number) = 6.022 X 1022 and Carbon’s atomic number is 6 and atomic mass is 12, Oxygen’s atomic mass is 16 and atomic number 8. Find the number of neutrons in 2.5 moles of Carbondioxide?
Question 3
Molecular mass is defined as the:
Question 4
Which of the following statement is not correct regarding covalent bond?
Question 5
To form ionic bond which of these is required
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