Work out the identity of the elements in the following positions of the periodic…

CHEMISTRY · Multi-part · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Work out the identity of the elements in the following positions of the periodic table and give their electron configurations: (1) Period 2, Group 14 (2) Period 4, Group 1 (3) Period 5, Group 9 (electron configuration not required).

Related theory

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

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