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The timing for the emergence of puberty is
Arsenic
A chemical element with symbol As, known for its various allotropes and toxic compounds, used in semiconductors, pesticides, and historically as a poison.
Electron Configuration
The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.
Nitrogen
A colorless, odorless, tasteless gas that constitutes 78% of the Earth's atmosphere; it is a nonmetallic element with symbol N.
Electron Configuration
The way electrons are organized in the orbitals of atoms or molecules, known as atomic or molecular orbitals.
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