Question

Which of the following particles can be easily plucked off because of its mass, size, and location resulting to charge imbalance of an atom?

A. alpha

B. electron

C. neutron

D. proton​

Answer 1

Which of the following particles can be easily plucked off because of its mass, size, and location resulting to charge imbalance of an atom?

A. alpha

B. electron

C. neutron

D. proton

Answer 2

B. electron

Explanation:

Electrons were first introduced in 1897 by British physicist J.J. Thomson in his work on cathode rays. The discovery of electrons, which he first called corpuscles, played a key role in revolutionizing our knowledge of atomic structure. Under normal conditions, electrons are bound to the positively charged nucleus by the attraction between opposite charges. In neutral atoms, the number of electrons is the same as the number of positive charges in the nucleus.

These orbitals are organized into concentric shells extending outward from the nucleus with increasing numbers of subshells. Electrons in orbitals closest to the nucleus are the most retained. Those in the outermost orbitals are shielded by intervening electrons and held most loosely by the nucleus.

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