Examlex
The price elasticity of demand is always positive, as is the price elasticity of supply. Is the cross elasticity of demand always positive? Explain your answer.
Molecular Motion
The random movement of molecules in matter due to their kinetic energy; this motion increases with temperature.
Atomic Number
It is the number of protons found in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Protons
Subatomic particles found in the nucleus of an atom, with a positive electric charge and contributing to the atomic number of an element.
Chemical Bonds
The attractive forces that hold atoms together to form molecules and compounds, including ionic, covalent, and hydrogen bonds.
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