GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements is INCORRECT?
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Electrons are located outside the nucleus.
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Electron is a light and negatively charged particle.
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Number of electrons is equal to the number of protons.
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Electrons are negatively charged and it is where the mass of the atom is concentrated
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Explanation:
Detailed explanation-1: -Hence, the incorrect statement about the electron is option (ii) the mass of electron is equal to the mass of neutron.
Detailed explanation-2: -The mass of the atom is concentrated in the nucleus (protons and neutrons are about 2000 times as heavy as electrons).
Detailed explanation-3: -Since protons and neutrons are present inside the nucleus, therefore the mass of an atom is concentrated inside the nucleus of an atom.
Detailed explanation-4: -Answer and Explanation: True. The nucleus of an atom contains the protons and neutrons, which are much more massive particles than the electrons found orbiting outside the nucleus. As a result, the mass of an atom is concentrated in the nucleus.
There is 1 question to complete.