BrainChildren Chemistry
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BrainChildren Chemistry
Ability
Ionizing Ability
Types of Ionizing Radiation
Protons
Atomic number
Periodic Table
PTOE Rows
Row 3
Parents
PTOE Rows
Children
Elements in Period 3 (or higher) have 3 (or more than 3) principal shells, so the d orbital is available in the valence shell. That is why they can accommodate more than 8 electrons.