Elements with atomic numbers 58 through 71 are placed separately at the periodic table because
a)they are radioactivite
b)they have large atomic weights
c)the table is made more compact
d)they were discovered recently
e)they are all very dense
arkadaşlar kimya ödevi var ama yapamadık türkçesini bilsek bi yardım etsin anlayanlar arkdaşlar şunu türkçeye çevirmeye