ANSWERS. QUESTION. BANK. (Level. I). QUESTION BANK (Level II) o H II z O Q . The mass number and atomic number of the resulting atom will be uO 19 and 8 ( c) 18 and 8 (b) 17 ... An old piece of wood has 25% as much l4Casafresh one has today. ... (c) 80 years is equal to four half-lives 1 NUCLEAR CHEMISTRY 437 .
|Title||:||Mcqs In Chemistry|
|Publisher||:||Golden Bells -|