Atom
Semua yang bisa kamu sentuh tersusun atas atom, dan setiap atom dibangun dari tiga partikel yang sama. Bangun atom dari hidrogen sampai kalsium dalam 3D dan lihat bagaimana jumlah tiap partikel menentukan atom apa itu.
Progres
Sumber kursus ini (10)
- IUPAC periodic table (iupac.org/what-we-do/periodic-table-of-elements)
- NIST Atomic Weights and Isotopic Compositions (physics.nist.gov/cgi-bin/Compositions/stand_alone.pl, elements H, C, Cl, Br)
- NIST CODATA 2022 proton-electron mass ratio (physics.nist.gov/cgi-bin/cuu/Value?mpsme)
- NIST radiometric dating note, carbon-14 half-life 5,730 years (nist.gov/image-19154)
- APS News: discovery of the electron 1897 (aps.org/apsnews/2000/10/discovery-of-the-electron)
- Fermilab timeline (fnal.gov/pub/inquiring/timeline/02.html)
- APS News: Rutherford and the atomic nucleus 1911 (aps.org/apsnews/2006/05/rutherford-discovery-atomic-nucleus)
- APS News: Bohr model 1913 (aps.org/apsnews/2012/03/bohr-model-atom-rutherford)
- APS News: Chadwick and the neutron 1932 (aps.org/apsnews/2007/05/may-1932-chadwick-discovery-neutron)
- NobelPrize.org James Chadwick biography.
Diperiksa: 2026-10-17