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.
Step 1: Place the Eggs in a Pan of Water and Bring to a Boil. For hard-boiled eggs, put the eggs in a pan and cover them with cold water. This way you'll have less of a chance of breaking them.Bring to a boil, put a lid on it and turn off the heat. Let it stand for 10 to 15 minutes.tep 1: Place the Eggs in a Pan of Water and Bring to a Boil. For hard-boiled eggs, put the eggs in a pan and cover them with cold water. This way you'll have less of a chance of breaking them.