Ask a New Question
Search
Questions and answers by
Kassia
Questions (2)
During an X-ray examination, a person is exposed to radiation at a rate of 3.17×10-5 grays per second. The exposure time is
1 answer
517 views
If the total number of electrons in the ion [M (H2O) 4] +2 is equal to 50
Whish is the atomic number of M?
1 answer
345 views
