Answer:
option A= pH = 0.1
Explanation:
Given data:
Concentration of H₃O⁺ = 0.8 M
pH = ?
Solution:
pH = -log [H₃O⁺] H₃O⁺ = H⁺
pH = -log [0.8]
pH = - (-0.097)
pH = + 0.1
Answer:
I-123 and I-131
Explanation:
Radioactive iodine takes advantage of the fact that thyroid cells and thyroid cancer cells absorb iodine; therefore, it has been used to diagnose or treat various thyroid disorders. Iodine is made into two radioactive isotopes, I-123 and I-131, that are commonly used in patients with thyroid disease.
It should probably be chemical
Fluorine - 18.998 u
chromium - 51.996 u
tellurium - 127.6 u
dysprosium - 162.5 u
Genetic variation mean to gangbang!