How many neutrons are present in 0.13g of 1SC?
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Chemistry, 21.06.2019 18:50
Which term refers to a property that depends only on the amount of a substance? ยฉ@
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Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Chemistry, 23.06.2019 02:00
Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
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