A simple cation (obtained from a single atom) takes its name from the name of the element. 3. A simple anion (obtained from a single atom) is named by taking the first part of the element name (the root) and adding the letters IDE. 4. Write the name for the compound by combining the names of the ions.
1 Blue whales give birth after 11 â 12 months of pregnancy and it is estimated that female whales give birth every 2 â 3 years.  killer whale have a pregnancy period of 15 â 18 months, however it is believed that the average pregnancy period is about 17 months. (Females killer whales give birth every 3 â 5 years).
Many whales give birth while in Hawaii. The gestation period of pregnant females lasts between 10-12 months. The Pacific humpback whale is a baleen whale and is the fifth largest type of whale, after the blue whale, fin whale, sei whale and the sperm whale. It is between 35 and 52 feet (10.6 and 15.8 m) in length and weighs about one ton per foot. The female is slightly larger than the male.