Molecular mass of water (18g) means__________________?
Molecular mass of water (18g) means__________________? A. 1-mole molecules of water B. 1-gram molecule of water C. 3-gram atomsD. all
Molecular mass of water (18g) means__________________? A. 1-mole molecules of water B. 1-gram molecule of water C. 3-gram atomsD. all
Empirical formula of chloroform is____________________? A. CH2 C12 B. CH3C1 C. CC14D. CHCL3 Chloroform is a colorless, sweet-smelling organic compound with the IUPAC name Trichloromethane and formula CHCl3. Chloroform can daze or knock out people even when it’s consumed in…
The number of peaks obtained in mass spectrometry shows____________________? A. Relative abundance B. Average mass of elementC. Number of isotopes D. Relative isotopic mass
Mass spectrometer is used to determine Mass number of isotopes and___________________? A. Atomic numberB. Relative abundance C. Electronic configuration D. All of the above
Diameter of an atom is in the order of________________? A. 0.2m B. 0.2mmC. 0.2nm D. 0.2pm