The D block corresponds to which category of elements?

The D block corresponds to which category of elements?

• A. Main group elements
• B. Transition metals
• C. Halogens
• D. Lanthanides

Answer: (B)

The idea tested is that the D block consists of the transition metals. As you move across the periodic table, the d subshell is being filled in this region, so these elements typically have partially filled d orbitals and common properties like variable oxidation states, the ability to form colorful coordination compounds, and catalytic activity. In the standard layout, the D block sits between the s-block on the left and the p-block on the right, spanning Scandium through Zinc. By contrast, halogens are in the p-block, lanthanides are in the f-block, and main group elements are in the s- and p-blocks. So the D block corresponds to the transition metals.

The idea tested is that the D block consists of the transition metals. As you move across the periodic table, the d subshell is being filled in this region, so these elements typically have partially filled d orbitals and common properties like variable oxidation states, the ability to form colorful coordination compounds, and catalytic activity. In the standard layout, the D block sits between the s-block on the left and the p-block on the right, spanning Scandium through Zinc. By contrast, halogens are in the p-block, lanthanides are in the f-block, and main group elements are in the s- and p-blocks. So the D block corresponds to the transition metals.