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Chemistry, 22.06.2019 05:30, medlinalex
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 19:00, QuestionsAnsweredNow
Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
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Mathematics, 09.06.2020 04:57
Mathematics, 09.06.2020 04:57
Mathematics, 09.06.2020 04:57