A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
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Water intensive agriculture takes away liters of water that can be used to help a significant population survive. Cultivation of these crops has even endangered some areas of water scarcity.
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Nebulizer is used to asthma patient.