Did you know?
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Electrostatic interactions of oppositely charged ions of salt
Schematic depiction of the hydrophobic effect
Formation of sodium chloride ions.
Hydration of ions in solution
How many hydrogen ions (H+) are present and on what side of the chemical equation?
Table salt (NaCl) molecules dissolving in water, resulting in Na+ and Cl– ions surrounded by ...