Yes it is.
Silver is an element.
Yes. Sterling silver is an alloy (metal mixture) containing 92.5% silver and 7.5% of another metal, such as copper.
A mixture of metals is normally called an alloy. Sterling silver is an alloy of 92.5% silver and 7.5% other metals, often copper.
Sterling silver is an alloy of silver and another metal (usually copper). The alloy is a mixture of the 2 metals, not a compound. To be called sterling silver it needs to have at least 92.5 percent silver. Pure silver is too soft to be useful (such as in silverware or jewelry). The alloy has the advantage of being stronger than pure silver. See related Wikipedia article.
Heterogeneous mixture.
Silver is not a homogeneous mixture or a heterogeneous mixture, it is a pure element. Silver does appear in homogeneous mixtures and heterogeneous mixtures such as sterling silver and silver nitrate.
Sterling silver is an alloy of silver containing 92.5% by weight of silver and 7.5% by weight of other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. That makes it a heterogeneous mixture.
Pure silver is homogeneous.It has no allotropic phase.
A silver plate would be a heterogeneous mixture if there is a metal alloy in it also. If it was pure silver, then it would be a homogeneous mixture. Assuming that there is a metal alloy comprised with the silver plate, it is most likely a heterogeneous mixture.
Silver is an element.
Mixture
Yes. Sterling silver is an alloy (metal mixture) containing 92.5% silver and 7.5% of another metal, such as copper.
Silver oxide is a compound.
A mixture of metals is normally called an alloy. Sterling silver is an alloy of 92.5% silver and 7.5% other metals, often copper.
compound
Sterling silver is an alloy of silver and another metal (usually copper). The alloy is a mixture of the 2 metals, not a compound. To be called sterling silver it needs to have at least 92.5 percent silver. Pure silver is too soft to be useful (such as in silverware or jewelry). The alloy has the advantage of being stronger than pure silver. See related Wikipedia article.
silver is a element. Its symbol in the periodic table is Ag.