It must be made of matter because anything and everything is made up of atoms. The other three options are made of atoms but they are also matter.
The position of equilibrium lies far to the right, with products being favored.
The rows are the one line of elements that goes from left to right horizontally. A column is a line of elements that goes vertically.
Boiling is the process by which a liquid turns into a vapor when it is heated to it’s boiling point. The change from a liquid phase to a gaseous phase occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid. Boiling is a physical change and molecules are not chemically altered during the process.
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The uranium within these items is radioactive and should be treated with care. Uranium's most stable isotope, uranium-238, has a half-life of about 4,468,000,000 years. It decays into thorium-234 through alpha decay or decays through spontaneous fission.
