Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Element
Element : germanium Symbol : ge Atomic no. : 32 Melting Point (deg c) : 938.25 Boiling Point (deg c) : 2833 Discoverer : winkler (1886) .. More >>