Ionic compounds are between metals and non-metals. Molecular (covalent) compounds are between only non-metals. (Metallic compounds are between metals and other metals) An io â¦ nic compound is a pure substance that is formed from a metal and a nonmetal.here are two important types of covalent bonds: non-polar and polar bonds. Non-polar covalent bonds are incredibly rare, and only formed when there is a minute difference in the electronegativity of two atoms. Most commonly, they form between two atoms of the same type, which have no difference in electronegativity.
There are certain vaginal infections that may lead to a light brown vaginal discharge. Such infections include gonorrhea, warts and Chlamydia. If the light brown appearance of the discharge is a result of an infection, it may be accompanied by other symptoms like foul smell, a burning or itchy sensation and pain.
What causes green vaginal discharge? The most common cause of green vaginal discharge is a sexually transmitted infection known as trichomoniasis. Other sexually transmitted diseases, such as gonorrhea or chlamydia, can also cause vaginal discharge, but it tends to be more yellow or cloudy in appearance.