THE LANTHANIDES AND ACTINIDES ARE LOCATED IN WHICH BLOCK OF THE PERIODIC TABLE
A. P-block B. S-block C. F-block ✓ D. D-block The answer to the question is: C. F-block The lanthanides and actinides are located in the f-block of the periodic table. These two series of elements are often referred to as the inner transition metals.…
BRAIN TUMORS CAN BE LOCATED BY USING AN ISOTOPE OF
A. carbon – 14 B. iodine 131 C. technetium 99 ✓ D. uranium235 E. uranium 238 The answer to the question is: C. technetium 99 Technetium 99m is the isotope used to locate brain tumors. Technetium 99m is a radioactive isotope that emits…