It would be 187 75 Re since 76 - 1 is 75 and number 2 would be beta particle and a positron.
There are 115 known elements as of today (Feb. 13, 2016)
so, 'C' is the correct answer
Answer:
the answer of the questionis D Photons
Answer: 1s^22s^22p^63s^23p^3
Explanation:
Assuming that orbital configuration is the same as electron configuration this is the answer.
Answer:
Ability to conduct electricity
Melting point
