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ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which particle contributes the negative charge to the atom?
A
proton
B
electron
C
neutron
D
nucleus
Explanation: 

Detailed explanation-1: -There are three subatomic particles: protons, neutrons and electrons. Two of the subatomic particles have electrical charges: protons have a positive charge while electrons have a negative charge. Neutrons, on the other hand, don’t have a charge.

Detailed explanation-2: -Electrons are referred to as negative because of their behavior in an electric field. In an electric field, an electron will move from the negative pole to the positive pole, giving it a negative charge by convention.

Detailed explanation-3: -electron, lightest stable subatomic particle known. It carries a negative charge of 1.602176634 × 10−19 coulomb, which is considered the basic unit of electric charge.

Detailed explanation-4: -Among these particles, neutrons and protons are neutral and positively charged while, on the other hand, electrons are negatively charged. Ans. A subatomic particle with a negative electric charge is called an electron. Compared with protons and neutrons, electrons are smaller in mass.

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