• eka-
• eka-gold
• eka-lead
• eka-boron
• eka-radon
• eka-iodine
• eka-osmium
• eka-radium
• eka-bismuth
• eka-caesium
• eka-hafnium
• eka-iridium
• eka-mercury
• eka-rhenium
• eka-silicon
• eka-wolfram
• eka-actinium
• eka-aluminum
• eka-astatine
• eka-francium

eka- (suomeksi)

Määritelmät:

• (lb, en, chemistry) Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table.