SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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electrons
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no charge, nucleus
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positive charge, nucleus
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negative charge, shells
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negative charge, nucleus
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Explanation:
Detailed explanation-1: -Electrons are negatively charged particles that revolve around the nucleus. The electrons form a cloud of negative charge which revolve around the nucleus in definite orbits called shells.
Detailed explanation-2: -This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.
Detailed explanation-3: -The KLMN notations indicate the total number of electrons with each principal quantum number which is n. The neutral chlorine atom has an atomic number of 17. It contains the 17 electrons which are distributed in its atomic shells.
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