A beaker contains a pure sample of a radioactive substance having a half-life of 4.00 h .
Which statement about this substance is correct? (There may be more than one correct choice.)
A. After 4.00 h
, half of the atoms will have decayed, and the remainder will decay in the next 4.00 h
.
B. After 4.00 h
, half of the atoms will have decayed, and half of the remainder will decay in the next 4.00 h
.
C. After 4.00 h
, the mass in the beaker will be only half its original value.
A
B
C
A, C
A, B
B, C