The halogens all form binary compounds with hydrogen, and these compounds are known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt).
finger stick. 1  the act of puncturing the tip of the finger to obtain a small sample of capillary blood. In some procedures the hand may be first immersed in warm water for 10 minutes to arterialize the capillary blood or give it characteristics similar to those of arterial blood.
How to Treat a Jammed Finger. A jammed finger is a type of joint sprain that's sustained from significant impact to the end of a finger. Jammed fingers are a common type of sports injury, especially from playing volleyball, basketball, football, and rugby.