Examlex
Discuss the use of biomass as an energy source.Give two examples.
Phase
A distinct and homogeneous state of matter (solid, liquid, gas) characterized by its properties under specific conditions.
Valence Electrons
Electrons in an atom's outer shell that are available for bonding with other atoms.
Valence
Refers to the combining power of an element, especially in terms of the number of hydrogen atoms it can bond with or displace to form a compound.
Lewis Structure
A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
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