Xenon is less reactive. Bromine has 7 electrons in its valency shell and so readily forms a negative ion. Xenon has 8 electrons and so is inert.
Bromine is way more reactive
Bromine has more nuclear charge as compared to iodine. So, bromine easily attracts an electron and hence more reactive.
Nickel is more reactive.
Chlorine is more reactive
Calcium.
Bromine is way more reactive
Bromine has more nuclear charge as compared to iodine. So, bromine easily attracts an electron and hence more reactive.
Nickel is more reactive.
Chlorine is more reactive
Calcium.
Bromine is more active.
Krypton is more similar.
Chlorine
mercury
I believe its Calcium, because it is in group 2, and Bromine is not in group one or two, making Calcium more reactive.
Something more reactive than bromine. Chlorine or fluorine would do it.
In most cases, chlorine is more reactive than bromine. This occurs because chlorine has a higher electronegativity than bromine. Thus, chlorine tends to take electrons from other substances more readily than bromine, and thus is more reactive.