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Chemistry, 21.06.2019 20:30
The first element on the periodic table of elements is carbon. a. true b. false
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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, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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Chemistry, 22.06.2019 14:30
What state of matter is ice a. liquid b. element c. solid d. gas
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Balance HCI + K2CO3- KCI + H2O + CO2...
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