Answers by Tharindu Rajarathna
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Answers by Tharindu Rajarathna

Answers by Tharindu Rajarathna
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An element's atomic number is 15. How many protons would an atom of this element have?
answered Jul 15, 2018
3 votes
231k views
Curtis is twice as old as his brother Jonathan. Olivia is six years younger than Jonathan. The sum of their ages is 58 years. an equation please.
answered Jan 4, 2018
1 vote
208k views
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