What is the relationship between energy sublevels and the block nature of the…

CHEMISTRY · Subjective · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

What is the relationship between energy sublevels and the block nature of the periodic table? The *ns* and *np* sublevels are filled for elements in period *n*. However the (*n* – 1)d sublevel is filled for elements in period *n*.

Related theory

Electronic Configuration
Atomic Structure
Electron Configurations
Blocks, groups and periods
Classification of Elements and Periodicity in Properties
Electronic Configurations and Types of Elements
Atomic Structure and Electron Configuration

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