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Quiz Experiment 5

Quiz Experiment 5

Q Question 1 2 / 2 pts A horizontal row of elements on the periodic table is known as a group. Question 2 2 / 2 pts The elements of Main Group VII include fluorine, chlorine, bromine, iodine, and astatine. These elements are commonly referred to as the halogens. Question 3 2 / 2 pts Negatively charged ions are knowns as {1}. Correct! Question 4 0 / 2 pts The elements of Group IA include lithium, potassium, rubidium, cesium, and francium. These elements are commonly referred to as alkaline earth metals. You Answered Question 5 2 / 2 pts Mendeleev predicted which unknown element properties correctly?

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