Any object that orbits around a larger object is called what

What is the correct term for living the most sustainable life you can within your current circumstances?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166