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).
Whelping. The average canine gestation period is approximately 63 days, with most canines giving birth between day 58 and 68 of pregnancy. Observe your Labrador carefully for signs of impending labor as her due date approaches.Typical indicators are a sudden refusal of solid food and restless or anti-social behavior.helping. The average canine gestation period is approximately 63 days, with most canines giving birth between day 58 and 68 of pregnancy. Observe your Labrador carefully for signs of impending labor as her due date approaches.