Sometimes you may wake up with a swollen, puffy face. This may happen as a result of pressure being placed on the face while sleeping. However, a swollen, puffy face can also arise from a facial injury or indicate an underlying medical condition. Facial... Read more
Matter is also different because objects can be made up of different kinds of atoms. Gold is made of one kind of atom-gold atoms. Salt is made up of two different kinds of atoms-sodium atoms and chloride atoms. Properties of Matter Remember all objects take up space and have mass. You use your sense of taste and smell to tell the difference between spinach and an orange.
Common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.he manufacture of salt is one of the oldest chemical industries. A major source of salt is seawater, which has a salinity of approximately 3.5%. This means that there are about 35 grams (1.2 oz) of dissolved salts, predominantly sodium (Na+) and chloride (Clâ) ions, per kilogram (2.2 lbs) of water.