Description : What is the formula for the atomic number?
Last Answer : atomic number = number of proton in an element number of proton = number of electron mass number = number of proton + number of neutron therefore... atomic number = mass number - number of neutrons
Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.
Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8
Description : Who invented the atomic formula ?
Last Answer : Mendeleev discovers the formula for the atom.
Description : Two elemets `X(` atomic weight `=75)` and `Y(` atomic weight `=16)` combine to give a compound having `75.8%` X.` The formula of the compound is
Last Answer : Two elemets `X(` atomic weight `=75)` and `Y(` atomic weight `=16)` combine to give a compound having `75.8%` X.` ... C. `X_(2)Y_(2)` D. `X_(2)Y_(3)`
Last Answer : Two elemets `X(` atomic weight `=75)` and `Y(` atomic weight `=16)` combine to give a compound having `75.8%` X. ... B. `xy_(2)` C. xy D. `x_(3)y_(3)`
Description : Compounds of the same atomic content and molecular formula but with differing structures are called what?
Last Answer : ANSWER: ISOMERS