How many g of N in 2.76 g Al(NO3)3

How do you know when a chemical reaction has occurred

Identify the decay mode particle emitted from the th 234

Which of the following is not a characteristic of a hydrogen bond? 1. it is responsible for the unusual physical properties of water. 2. it is weaker than a covalent bond. 3. it is stronger than other dipole-dipole interactions. 4. it can occur when hydrogen is covalently bound to very electronegative elements liks f, cl, br and i.