Question

4. Explain
(i)No true compounds of helium are yet
known but many compounds of xenon are
known.
(ii) Phosphorus forms pentahalides but
nitrogen does not form pentahalides.
Bismuth also does not form pentahalide
except BiF5.
(2 Points)​

Answer 1

Answer:

know the chemistry of interhalogens and structures of oxoacids of halogens; ... bismuth hardly forms any compound in –3 oxidation state. ... Though nitrogen exhibits +5 oxidation state, it does not form.

Answer 2

Explanation:

♤ 1. noble gas

2.nitrogen

♤ pls follow me and mark me as brainliest pls pls