Examlex
A radio frequency link between the sender and receiver consists of three basic elements. What are they?
Polar Covalent Bonds
A type of chemical bond where two atoms share a pair of electrons, but the electrons are not shared equally, leading to a distribution of charge.
Water Molecules
Water molecules consist of two hydrogen atoms and one oxygen atom bonded together, making up the liquid that is vital for all forms of life on Earth.
Specific Heat
The amount of heat energy that must be supplied to raise the temperature of 1 gram of a substance by 1°C.
Heat of Fusion
The amount of heat required to convert a solid at its melting point into a liquid without changing its temperature.
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