just electrons
Formula: Au2O3
Purely physical
Erthquake, chemial and biological disasters
Unknown chemial properties
planets, chemial reactions, engry
yup
Silicon reacts with fluorine
nicotine is the main addictive chemical (drug) in cigarettes
hypobromous acid
Bromine is an element. It has both physical and chemial properties
Machinery, instruments and food products. Also, chemial products, furniture and pharmacueticals
The chemial symbol Fr is derived from the first two letters of the name Francium.