Muon radiative energy loss (in 1.0E06 cm^2/g) in radium (Ra) with Z = 88, A = [226.02541(2)] (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 2.0339 0.3447 0.3599 2.7385 5. 2.8255 1.9344 0.3841 5.1440 10. 3.4723 3.1703 0.3766 7.0193 20. 4.1361 4.3082 0.3634 8.8077 50. 5.0042 6.0502 0.3485 11.4029 100. 5.6206 7.1979 0.3415 13.1600 200. 6.1823 8.2131 0.3382 14.7335 500. 6.8108 9.1408 0.3384 16.2900 1000. 7.1882 9.6310 0.3436 17.1628 2000. 7.4808 9.9838 0.3519 17.8164 5000. 7.7513 10.2783 0.3669 18.3964 10000. 7.8847 10.4140 0.3818 18.6805 20000. 7.9729 10.5025 0.3992 18.8746 50000. 8.0456 10.5683 0.4263 19.0402 100000. 8.0778 10.5955 0.4495 19.1227