Count number of atoms of a given element type in a molecule.
Count number of atoms of a given element type in a molecule.

nickvandewiele/RMG-Py,enochd/RMG-Py,KEHANG/RMG-Py,faribas/RMG-Py,chatelak/RMG-Py,nyee/RMG-Py,comocheng/RMG-Py,enochd/RMG-Py,pierrelb/RMG-Py,KEHANG/RMG-Py,nyee/RMG-Py,chatelak/RMG-Py,pierrelb/RMG-Py,nickvandewiele/RMG-Py,faribas/RMG-Py,comocheng/RMG-Py