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Which classification is correct? A. Alkali metal: rubidium; transition element: platinum; halogen: xenon; noble gas: bromine B. Alkali metal: rubidium; transition element: platinum; halogen: bromine; noble gas: xenon C. Alkali metal: platinum; transition…
Which element belongs to the f-block of the periodic table? A. Nd B. Fr C. Ta D. Pb
Which of these elements is a non-metal found in the p-block of the periodic table? A. Bi B. Se C. Sc D. Cs
Which characteristic determines the block of the periodic table in which an element is placed? A. the number of valence electrons the element has B. the number of occupied main energy levels C. whether the element is a metal, a metalloid or a non-metal D. the…