Cobalt (Co) has a smaller atomic mass than Lead (Pb). Cobalt's atomic mass is only 58.9332 while lead's is 207.2.
Lead
The element lead consists of four naturally occurring isotopes with atomic masses 203.97302, 205.97444, 206.97587, and 207.97663 . The relative abundances of these four isotopes are 1.4, 24.1, 22.1, and 52.4%, respectively.
cobalt
Lead
Lead is a metal element. Atomic mass of it is 207.
Lead is a meta element. Atomic mass of it is 207.
Lead is a non element. Atomic mass of it is 12.
Lead (Pb) has the atomic number 82 with an Atomic Mass of 207.2 amu.
Cobalt (Co) has a smaller atomic mass than Lead (Pb). Cobalt's atomic mass is only 58.9332 while lead's is 207.2.
The atomic weight/mass of Lead is 207.19 --- --- --- The atomic weight/mass of Gold is 196.96655 --- --- --- --- --- --- Therefor Lead has more mass.
Lead is a metal element. Atomic mass of it is 207.
Lead
Lead
The element lead consists of four naturally occurring isotopes with atomic masses 203.97302, 205.97444, 206.97587, and 207.97663 . The relative abundances of these four isotopes are 1.4, 24.1, 22.1, and 52.4%, respectively.
Lead is a metal element. Atomic Mass number of it is 207.
cobalt