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Explain the formation of NaCl...
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Chemistry, 21.06.2019 22:00
Afamily is one another name for a group on the table of elements.
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Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
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What produces wave a)sound b) heats c)transfer of energy d)vibrations
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Chemistry, 22.06.2019 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
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