The atomic number is 9 Ions have the same atomic number since atomic number signifies number of protons not electrons
Answer:
D. 7
Explanation:
The halogens are found in Group 7 of the Periodic Table. If Bromine is a halogen, then that means it would be found in Group 7. Also, elements in Group 7 have 7 electrons in its outer shell, Bromine would have 7 electrons in its outer shell.
Answer:
I have no clue what the question is
what did you eat for breakfast?
I can't help you otherwise