Ag2S is its own compound: silver sulfide.If you mean what elements are in Ag2S, they are silver, and sulfur.
silver 817 is what %silver
Liquid silver is melted silver. Sometimes the colloidal silver is also called liquid silver.
It is same amount of silver in 925 silver as in sterling silver. Sterling silver is 92.5% silver or fineness mark of 925.
Some Sheffield silver is pure silver and some is silver plate. However, I think that a lot of Sheffield silver if pure and not plated.
your item is spanish silver and mabye gold washed
915 parts per 1,000 are made of the precious metalwhich is same as 91.5%so 8.5% is made of other metal, for strength
Valuable and important sterling silver pieces.
915 is an integer and not a fraction but, if you must, you could write it as 915/1
915 = CMXV
130.7143
915 305,3 61,5,3
Exactly 915.
915 / 2 is equal to 457.5
915 x 10 = 9150
915/1 is one possible answer.
915 x 30 = 27450