Select the correct answer. Which scientist performed the cathode ray experiment leading to the discovery of electrons? A. Dalton
2 answers:
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Answer:
initial temperature=
Explanation:
Assuming that the given follows the ideal gas nature;
mole of gass will remain same at any emperature:
putting all the value we get:
initial temperature=
The atomic mass is defined as the mass an atom of an element. The atomic mass in approximation is equal to the sum of number of neutrons and protons in the nucleus of an atom (mass number). The units which are used for measuring the atomic mass is atomic mass unit, .
Thus, the correct option is option E that is atomic mass unit is used for measuring atomic mass.