Examlex
Broadcast TV reaches its audience by transmitting electromagnetic waves through the air across some geographic territory.
Multiple Proportions
This is a law stating that when two elements combine to form more than one compound, the masses of one element that combine with a fixed mass of the other are in a ratio of small whole numbers.
Different Ratios
Proportions or comparative quantities of elements or components in a mixture or compound.
Compound
A substance made up of two or more different elements chemically combined in fixed proportions.
Elements
Pure chemical substances consisting of a single type of atom, distinguished by their atomic number, which is the number of protons in their atomic nuclei.
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