Sea Otters dive to the seafloor to obtain a variety of invertebrate animals. The most common prey of Sea Otters are sea urchins, mussels, abalone, clams, scallops, crabs, sea snails, chitons, octopus, and squid. An acute sense of touch, using paws, nose, and whiskers, is very important for finding prey in crevices or bottom sediments, and during dim light.
Who invented antimony? Antimony has been in use since the ancient Egyptian's used one its  minerals, stibnite (Sb2S3) as black eyeliner up to 5000 years ago.  Roman author Pliny described how heat â¦ ing this mineral formed what  he called lead. We now know that this was actually antimony.
Chemical Background and Properties of Antimony. Antimony is a chemical element that is recognized by its distinctive atomic symbol of Sb. This atomic symbol is derived from the Latin name for antimony, stibium. The atomic number of antimony is 51 and its atomic weight of 121.8g/mol. Classified as a metalloid, you can spot antimony on the periodic table next to metalloid neighbors arsenic (As) and tellurium (Te). A metalloid is a chemical element that has a mixture of properties between a metal and nonmetal.