A) americium and curium
B) thorium and actinium
C) U238 and U239
D) U235 and U238
2006-12-01 06:28:03 · 5 answers · asked by frickenawesomekoreanandyouknowit 2 in Science & Mathematics ➔ Chemistry
americim is 95
curium is 96
its not b( thorium is 90)(actinium is 89)
A. is the answer
2006-12-01 06:42:38 · answer #1 · answered by amckinney64 2 · 0⤊ 0⤋
Indeed the answer is americium 95 and curium 96, as stated by many.
All elements above 92 are 'man made'. Theoretically they existed, but are not stable and have 'fallen apart', we just find the pieces and put them back together again (poor Humpty-Dumpty!).
Get an "A".
2006-12-01 21:11:22 · answer #2 · answered by teachr 5 · 0⤊ 0⤋
A) Americium (95) and curium (96).
2006-12-01 14:32:20 · answer #3 · answered by indiana_jones_andthelastcrusade 3 · 0⤊ 0⤋
There is no such thing as a man-made element, you give far to
much credit to man
2006-12-01 14:30:26 · answer #4 · answered by Anonymous · 1⤊ 0⤋
A
2006-12-01 14:31:02 · answer #5 · answered by rolisz 2 · 0⤊ 0⤋