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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the char - Mathematics

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Question

An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:

7 protons and 6 electrons →

Sum
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Solution

7 protons and 6 electrons → (+7) + (−6)

= +1

= 1 proton ⊕

shaalaa.com
Statement Problems on Integers Using All Fundamental Operations.
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Chapter 1: Number System - Exercise 1.5 [Page 28]

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Samacheer Kalvi Mathematics - Term 1 [English] Class 7 TN Board
Chapter 1 Number System
Exercise 1.5 | Q 2. (v) | Page 28

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