Answers by Vadiraj S J
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Answers by Vadiraj S J

Answers by Vadiraj S J
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When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? A. +1 B. -1 C. +2 D. -2
answered Sep 10, 2017
3 votes
111k views
The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true?. . A) The mechanical waves reach Earth, while the electromagnetic waves do not. B) The electromagnetic
answered Mar 11, 2017
7 votes
159k views
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