Examlex
Which of the following statements about alchemy is false?
Covalent Bonds
A chemical bond formed by the sharing of one or more pairs of electrons between atoms.
Phosphorus
A chemical element with the symbol P and atomic number 15, essential to all living cells and used in the manufacture of fertilizers.
Oxygen
A chemical element with symbol O, essential for cellular respiration in most aerobic organisms.
Nitrogen
A chemical element with symbol N and atomic number 7, essential for life's building blocks like amino acids, proteins, and nucleic acids.
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