‘갈륨’(‘에카-알루미늄’)은 1876년에 ‘프랑스’에서 발견되었고, ‘스칸듐’(‘에카’-붕소)은 1879년에 ‘스웨덴’에서 발견되었고, 1886년에 ‘게르마늄’(‘에카’-규소)이 독일에서 발견되었다.
Gallium (eka-aluminum) was discovered in France in 1876, scandium (eka-boron) in Sweden in 1879, and, in 1886, germanium (eka-silicon) was discovered in Germany.jw2019 jw2019