B im just typing more because it has to be longer than 20 characters
Answer:
Transition metal
Explanation:
The elements in the middle are called Transition metal and the have similarity in the atomic structure resulting in similar properties, for example they are less reactive than the alcaline earth metals
Answer: A
Explanation: Im pretty sure it's A, if you're desperate, go ahead and take my advice. If you're not you probably shouldnt.
A dissolving liquid composed of polar molecules is a polar solvent.
The distinction of polar and non-polar liquids is important because the like dissolves like rule. This rule states that the solubility is greater when the polarity of the liquid is similar to the polarity of the solute.
So, to dissolve polar compounds (e.g. ionic compounds) you should use polar solvents (e.g. water).
Answer: polar solvent
9 ÷ 45 = 0,2 g/ml
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