Molecular solidsâ Made up of atoms or molecules held together by London dispersion forces, dipole-dipole forces, or hydrogen bonds. Characterized by low melting points and flexibility and are poor conductors. An example of a molecular solid is sucrose.
There are two main problems when it comes to hard-boiled eggs: green-gray yolks and shells that just wonât peel off. Make hard-boiled eggs headache-free by following this easy method. First, place the cold eggs in a single layer in a pan with enough cold water to cover them by about 1 inch. Then, place the pan on the stove over high heat. Shutterstock. As soon as the water comes to a boil turn the heat off, cover the pan, and remove it from the heat. Allow the eggs to sit in the water until they are cooked; about 9 minutes for a medium egg, 12 minutes for a large egg, and 15 minutes for an extra-large egg.
Hard-Boiled. Boiling a lot of eggs at once requires a big pot and attention to the stovetop. Corral them in a muffin tin while they bake in the oven for an easy preparation process. Place 1 whole egg in each tin and bake in a preheated 350 F oven for about 30 minutes.Remove them from the oven and place them into an ice-water bath to cool; then, peel for a quick snack or to use in recipes.rack an egg into each section and carefully place the eggs in the oven. Bake 11 to 12 minutes for poached eggs that are runny in the center, with a firm white, according to testers at The Kitchn website. For eggs with a firmer yolk, bake them a minute or 2 longer.