Pesan dari Nelson Tansu

Professor muda di Amerika ini bernama Nelson Tansu, lahir di Medan (Sumatera Utara) pada tahun 1977. Ia seorang pakar nanoteknologi […]

Basic Properties of Gold

  PROPERTY CHARACTERISTIC Atomic weight 196.97 Atomic number  79 Number of naturally occurring isotopes  1 Melting point (degrees centigrade)  1,064 […]

Properties of Gold

Gold (symbol Au) has an atomic number of 79, i.e., each gold atom has 79 protons in its nucleus. The atomic mass […]

10 Kampus Terbaik di Dunia

Versi 4ICU Massachusetts Institute of Technology, Amerika Serikat The University of Texas at Austin, Amerika Serikat University of Michigan, Amerika […]