6.02 ionic and covalent bonds. i want to do the first option, and i am just very confused on what to do. i need ! can someone figure out how to do this for me?

Why is permeable soil best for plants that need a lot of drainage?

What is the lowest number energy level where a d sublevel is found

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.