Five base SI units that are commonly used in Chemistry; are
1.Metre (m)
2. Kilogram(kg)
3. seconds(s)
4.Kelvins (k)
5. Moles (mol)
We could not use recycled water for drinking purposes. That is because it may cause us to get sick.
Answer:
Diatomic molecules consist of two atoms bonded together. In contrast, monatomic elements consist of single atoms (e.g., Ar, He). Many compounds are diatomic, such as HCl, NaCl, and KBr. Diatomic compounds consist of two different elements. There are seven pure elements that form diatomic molecules.
Answer:
Look at the picture.
Explanation:
So on picture two resonance structures are shown. You can see that nitrogen's electron pair is not used in aromatic system and is planar to the ring.
