(It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile.)
Electronic configuration: Ni2+ has S=1.
Magnetism: ferromagnet at room temperature
Antiferromagnet with Tn = 525 (Wiki)
Surface spins contribute to jump in susceptibility at approx. 20 K, even in bulk. A
Jagodic etal, J. Phys.: Condens. Matter 21 (2009) 215302
Antiferromagnet at 35 K:
Journal of Solid State Chemistry 143, 246—253 (1999)
Antiferromagnet with TN= 125 K:
Journal of the Physical Society of Japan; ISSN:0031-9015; VOL.37; NO.4; PAGE.1169-1169; (1974)
Pauli paramagnet, but have a reference only when Zr substituted with rare earth.
V. Babizhetskyy et al. / Journal of Alloys and Compounds 661 (2016) 490e494