Edexcel IAL Chemistry 2.16 Periodic blocks and subshells

Use the final occupied subshell to name the block, account for ionic electron loss or gain and state the maximum electrons in the requested subshell or shell.

Exam points

Identify s-, p- or d-block elements from atomic number or ionic electron count.
Compare shell number and outer-electron count for elements in the same group.
State maximum electron capacities of s, p and d subshells or named shells.

[Maximum number: 1]

Each response gives the atomic numbers of two elements. Which pair of atomic numbers are those of elements that are in different blocks of the Periodic Table?

5,9

10,16

13, 18

16, 20

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2.16—The Periodic Table is divided into blocks, such as s, p and d, and know the number of electrons that can occupy s, p and d question 1