technetium

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The Simple English Wikipedia has an article on:

molybdenum 43 ruthenium

Pronunciation[change]

  • (file)
  • Hyphenation: tech‧ni‧ti‧um

Noun[change]

Singular
technetium

Plural
none

  1. (uncountable) Technetium is a radioactive element with an atomic number of 43 and symbol Tc.