Describes shape and location of fish fins, but not how each fin type helps a fish move through water, for example, a tail fin acts as rudder and propeller. Canât describe shape or location of fish fins or how each fin type helps a fish move through water.elvic fins, located on the bottom of the fish in front of the anal fin, help balance the fish, keep it level, and prevent it from rolling from side to side. Fish sometimes rest by sitting on their pelvic fins.
The oxidation number of lithium in lithium nitrate is 1. Formula: LiNO3. Hill system formula: Li1N1O3. CAS registry number: [7790-69-4] Formula weight: 68.946. Class: nitrate. Colour: white. Appearance: crystalline solid.
In a sample of 400 Lithium atoms, it is found that 30 atoms are Lithium-6 (6.015 g/mol) and 370 atoms are Lithium-7 (7.016 g/mol). Calculate the average atomic mass of Lithium and enter the number below. Use two decimal places.n a sample of 400 Lithium atoms, it is found that 30 atoms are Lithium-6 (6.015 g/mol) and 370 atoms are Lithium-7 (7.016 g/mol). Calculate the average atomic mass of Lithium and enter the number below. Use two decimal places.