Answer:
As per the general rule for finding oxidation number, When H is bonded with non-metal it has oxidation number as 1. As in the given ion, hydrogen is bonded with non-metal oxygen and there are three hydrogen atom, the oxidation number of hydrogen atom is 3.
Carbon has 4 valence electrons
A dissociation reaction occurs.lets say pcl5=pcl3+cl2
Answer:
One pattern could be a bear goes into hibernation once every year in the winter.
Explanation:
(Time of the year)
