Chapter 2: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 2
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The MCQs: If we add an electron to the outermost shell of an atom, the charge turns; "Atoms and Atom Model" App Download Android & iOS (Free) with answers positive, negative, neutral and unchanged for homeschool certificate courses. Practice ions and bonding quiz questions, download Apple Book (Free Sample) for online school classes.
MCQ 126: If we add an electron to the outermost shell of an atom, the charge turns
MCQ 127: The symbol of "sodium" is
MCQ 128: The number of important particles in an atom is
MCQ 129: Every element has its own
MCQ 130: Water contains
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