This compound is named potassium chloride. Example 5: Write the name of the following formula: Na2S. First symbol is Na, so the first part of the name is sodium. (Note the presence of the subscript does not play a role in this name.) Second element is sulfur (from the symbol S), so the name is sulf + ide = sulfide. This compound is named sodium sulfide.
The viviparous sharks who carry the eggs until the pups are born, have different gestation periods. The dogfish shark is known to keep their eggs for 18 to 24 months. The bull shark gestation is about one year. The hammerhead shark gestation period is from 7 to 12 months. Other species that are ovoviviparous carry the eggs until the pups born alive and fully developed. They also have long gestation periods. The tiger shark gestation is about 14 to 16 months.
Cat Gestation Period. Cat gestation period varies from cat to cat-much like humans! The average gestation period for cats is about 65 days, with most lasting between 63 and 67 days. Having said that, cat pregnancy can last anywhere between about 57 and 70 days.An easy way to remember the gestation period of a cat is to think of each week of cat pregnancy as equivalent to a month of human pregnancy.So, 9 weeks of a cat pregnancy is 63 days (equivalent to 9 months of a full-term human pregnancy).at Gestation Period. Cat gestation period varies from cat to cat-much like humans! The average gestation period for cats is about 65 days, with most lasting between 63 and 67 days. Having said that, cat pregnancy can last anywhere between about 57 and 70 days.