Examlex
Which of the following is not an accessory organ of digestion?
Electrons
Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical reactions and electricity.
Temperature
An indicator of how hot or cold an object or substance is, compared to a baseline value.
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.
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