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…
Periods, groups and blocks of the periodic table
Navigate the periodic table by periods, groups numbered 1 to 18 and the s, p, d and f blocks, and identify where metals, metalloids and non-metals are located.
The diagram shows an outline of the periodic table split into four labelled regions. Each labelled region corresponds to one block of elements. Which region contains the f-block elements, the lanthanides and actinides? A. Region A B. Region B C. Region C D.…
Which element belongs to the f-block of the periodic table? A. Nd B. Fr C. Ta D. Pb
Element 117, tennessine, was first synthesized in 2010. In which block of the periodic table is it placed? A. s B. p C. d D. f
The periodic table is divided into the s, p, d and f blocks. Which characteristic of an element determines the block in which it is placed? A. the number of protons in its nucleus B. the sublevel occupied by its highest-energy electrons C. the number of main…