Select the correct statement from the following: \newline \text{A. Atoms of all elements are composed of two fundamental particles. B. The mass of the electron is 9.10939×10−31kg.C. All the isotopes of a given element show the same chemical properties.D. Protons and electrons are collectively known as nucleons.E. Dalton’s atomic theory, regarded the atom as an ultimate particle of matter. Choose the correct answer from the options given below:
medium
Structure of Atom
2023
chemistry
A, B, and C only
C, D and E only
A and E only
B, C, and E only
Explanation
To solve this problem, we need to analyze each statement and determine which are correct.A. Atoms of all elements are composed of two fundamental particles.This statement is incorrect. Atoms are composed of three fundamental particles: protons, neutrons, and electrons.B. The mass of the electron is 9.10939×10−31 kg.
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