Rachel's blog

Struktur Atom Bagian Penemu Alat Elektron JJ.Thomson Tabung katode Proton Eugen Goldstein Tabung katode sinar kanal Neutron James Chadwick Sinar alfa pada boron & parafin Tanda Atom A è nomor massa (proton + neutron) Z è nomor atom (proton) Isotop è proton sama (unsur sama nomor massa beda) Isoton è neutron sama (unsur beda/proton beda) Isobar è nomor massa sama ( unsur beda/proton beda) Konfigurasi Elektron Niels Bohr Nomor Kulit (n) Nama kulit Jumlah elektron maksimum (2n 2 ) 1 K 2 2 L 8 3 M 18 4 N 32 5 O 50 6 P 72 7 Q 98 Sistem Periodik Triade Döbereiner (1829) Bila unsur-unsur dikelompokkan berdasarkan kesamaan sifatnya dan di

Pengali Nama Awalan Singkatan 10 18 10 15 10 12 10 9 10 6 10 3 10 -1 10 -2 10 -3 10 -6 10 -9 10 -12 10 -15 10 -18 Exa (Eksa) Peta Tera Giga Mega Kilo Desi Senti Mili Mikro Nano Piko Femto Atto E P T G M k d c m µ n p f a

Narrator:  A hundred years ago, there lived a beautiful girl named Cinderella.  After her father died, Cinderella lives with her stepmother. Now, with softness of her heart, Cinderella past her day with patience. One day… Stepmother      : Cinderella! (Come in) Cinderella, where are you! (Approached Cinderella) Where is my gown, Cinderella? The Ball will start   tonight. Cinderella         : I’m here, mom. (Drinking tea) Stepmother      : Why did you take it easy there to drink tea?!                                  (Do not care about her mother say and stay drink her tea?) Stepmother      : Because you are here, it means my gown was complete. Right? Cinderella         : How could an amateur like me can make a beautiful gown? If you are ready to be a Laughing stock, the gown was there. You can wear it. Stepmother      : (annoyed) urrgghh.. Who will be a laughingstock?! The story was not like that! Cinderella         : Slow down, Baby. Come on... Join wi