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).
Considerations. Whales typically give birth to one calf at a time, although twin fetuses can occur on rare occasions. Mature females of most species, including humpback, beluga and blue whales, usually reproduce every two to three years. The average time between gestation periods for sperm whales is three to four years.ewborn beluga whale calves typically weigh about 175 lbs. A right whale calf's birthweight generally is about 500 lbs. Gray whales weigh 1,100 to 1,500 lbs. at birth. Newborn humpback and sperm whale calves usually weigh around 2,000 lbs. Blue whale calves weigh around 5,500 lbs. at birth.