chemistry
Flourine, Bromine, Iodine and Chlorine are all what type of elements? What are chlorine, bromine and iodine? What name describes the group of chemical elements that includes Chlorine, Bromine, Iodine and Fluorine? What name is given to the group of elements that includes fluorine, chlorine, bromine and iodine? What are Lithium, Sodium, Potassium, Rubidium and Caesium? Who discovered the chemical elements Potassium, Sodium and Calcium? What is common name of the clear flammable early anaesthetic liquid with the formula C2H5OC2H5 (or CH3-CH2-O-CH2-CH3)? The chemical element cobalt is a? Deuterium and Tritium are isotopes of which chemical element? Ethanol and isopropyl are types of what? The chemical element 'Gallium' is named after the Latinword 'Gallia', which is what European country? Chemistry - which of the halogens has the lowest atomic number? Which of the halogens has the lowest atomic number (9)? Which is the only element, from the group known as the Halogens, which is liquid at room temperature? The Halogens are Fluorine, Bromine, Iodine, Astatine and which other element? Which of the Halogens, with the atomic number 17, is missing from - Flourine, Bromine, Iodine and Astatine? Which element, atomic number 82, a heavy metal, is soft and malleable, blue/white when freshly cut, but soon turns grey? Henry Cavendish discovered which element?