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).
The incubation period  for bluebird eggs is 12-14 days, but incubation may not start until  a week after the first egg is laid, in which case the period can  extend to 19 days.. 9 people found this useful. Rin Tsukiyori.he gestation period of a shark can be as long as two years. The gestation period can be up to almost two years long (the spiny dogfish shark may have the longest shark gesta â¦ tion period).