Chemistry, 04.12.2020 14:00 krishawnnn
The nutritional recommended daily allowance (rda) of calcium is 1,300 mg for a 9-18-year-old. How many grams is this? How many atoms of calcium is this?
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Chemistry, 22.06.2019 09:20
Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
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Chemistry, 22.06.2019 16:00
The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 β 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
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Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
Answers: 2
The nutritional recommended daily allowance (rda) of calcium is 1,300 mg for a 9-18-year-old. How ma...
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