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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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Which molecule/molecular compound is joined by a single covalent bond? O2 or N2 or Br2 or CO2?...
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