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Chemistry, 21.06.2019 19:30
List the two type of transporst that the cell in orde to transport molecules acroos the membrane
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Chemistry, 21.06.2019 21:00
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
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Chemistry, 22.06.2019 07:20
2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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Suppose that three isotopes of element X occur in nature as follows:
The relative atomic mass of th...
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