Answer:
Xenon is less reactive.
Explanation:
Xenon is a noble gas with 8 valence electrons whereas bromine is a halogen with 7 and is very reactive.
The mass is 224 grams of NaOH
Answer:
Metals, metalloids, non-metals
Explanation:
:)
They are not always identical because they have different isotope numbers which develops different neutrons numbers
The ph would most likely be 7
hope this helps