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What is "practice play"? How might it be beneficial in an evolutionary sense?
Calcium
A chemical element with the symbol Ca and atomic number 20, an essential component of bones, teeth, and shells, and plays a crucial role in cell signalling.
Chlorine
A chemical element with symbol Cl and atomic number 17, known for its strong oxidizing properties and use as a disinfectant.
Lewis Dot Structure
A diagrammatic method to represent the valence electrons of atoms within a molecule, indicating the bonding between atoms and the lone pairs of electrons.
Covalent Bonding
The chemical bonding between atoms through the sharing of electron pairs to achieve stability.
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