Question

plzz urgggeenntt...​

Answer 1

Explanation:

The group 15 elements have electronic configuration ns2np3. The elements present in this group are Nitrogen, Phosphorous, Arsenic, Antimony, Bismuth. Nitrogen is different from other elements of this group as it is small in size, it forms multiple pπ–pπ bonds with itself as well as highly electronegative atoms. Elements of this group show a series of properties such as

They exhibit two crucial oxidation states +5 and +3.

They react with halogen, oxygen, and hydrogen

Answer 2

Answer:

Sodium hydrogen carbonate (also known as sodium bicarbonate or bicarbonate of soda) has the chemical formula NaHCO3. When it is heated above about 80°C it begins to break down, forming sodium carbonate, water and carbon dioxide. This type of reaction is called a thermal decomposition.

Explanation:

pls mark as brainliest i hope it helps :)