Copper (Cu) is the element that turns green when exposed to moist air.
calcium
The sodium reacts with the air (oxygen) and tarnishes.
After magma hits air it turns into lava
Air is not. It is often confused as being Oxygen, which is an element. The air we breath is made up of Oxygen and Nitrogen. So, it is made up of elements.
it happens when it is not exposed to moving air currents
The element that burns brilliantly in the air is magnesium. Magnesium is an alkaline Earth metal with the atomic number 12.
Strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when exposed to air.
Radium Eyes by Count Zero MeaningIts a love song about two lovers separated by war (its set during the Philippene War) and hes talking about her eyes either being the color of Radium (the element) in its pure form (when it hasn't been exposed to air) , which is almost pure white , or when its been exposed to air, in which it turns black
It turns into a brownish color
Iodine is the element that undergoes sublimation when exposed to air.
it turns yellow in colour
Phosphorus (15)
its turns green and weird colors.
Iodine
it is a silver substance.and has grayish white when exposed to air.
There are many elements that can be used for poisoning but there is an element that has a nickname "Poisoner's Poison". That element is called Thallium it has a silvery white color this metal is so soft you can cut it with a knife at room temperature. This metal also oxidises quickly when exposed to air.
copper,and some precious metals, when exposed to air, turn black, like silver(completely turns black when exposed to air),gold(black spots appear),and others,maybe platinum.
Blood in the body is blue, when exposed to air it turns red.AnswerBlood may be thought of as a possible answer; however, blood is not actually blue. See related answer below.