Chemistry-7-Atomic Structure

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1.
“Atoms can neither be created nor destroyed.” This principle was given by __?
2.
Which of the following is not an isotope of Hydrogen?
3.
What do we call the energy required to remove loosely bound electron from an atom?
4.
What is the relation between mass and wavelength of any matter, as per de Broglie's relation?
5.
What do we call the region of space around the nucleus where the probability of finding an electron is maximum?
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