Answer:
B) A Mg atom donates two electrons to a Cl atom.
Explanation:
During the formation of magnesium chloride, magnesium loses two electrons to form a stable cation. One chlorine atom requires one electron to form a stable anion. Hence, two chlorine atoms combine with one magnesium by accepting one electron each.
Answer:
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Explanation:
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The term hydrate would mean that the compound contains water molecules. When this compound is heated, the water molecules are lost first which means that what remains would be the dried compound. Therefore, the H2O lost from the hydrate would be 6.00g - 3.27g = 2.73 g.
Answer:
Group B is the control group
Explanation:
In an experiment, a control group is the standard to which comparisons are made in an experiment.
