The atomic mass number (or isotope number) = number of protons + neutrons combined so in the case of calcium 40 = 20 + number of neutrons. This makes the number of neutrons 20. Added: Other isotopes (about 3%) of (natural occurring) Calcium are with 22, 23, 24, 26 or 28 neutrons.
Off the Atlantic coast of the United States tiger sharks are found from Cape Cod, Massachusetts, to the Gulf of Mexico and Caribbean Sea.Off the Pacific coast tiger sharks are found from southern California southward. In the western central Pacific, tiger sharks are found in the Hawaiian, Solomon, and Marshall Islands.istribution: Off the Atlantic coast of the United States tiger sharks are found from Cape Cod, Massachusetts, to the Gulf of Mexico and Caribbean Sea. Off the Pacific coast tiger sharks are found from southern California southward.
Blacktip Reef Shark. Blacktip Reef shark are among the most popular Sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, because Black Tip Reef Sharks prefer shallow, inshore waters.They are typical in appearance of how humans imagine a shark to look, and can be seen at our big ocean tank!lacktip Reef Shark. Blacktip Reef shark are among the most popular Sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, because Black Tip Reef Sharks prefer shallow, inshore waters. They are typical in appearance of how humans imagine a shark to look, and can be seen at our big ocean tank!