Ionic bonding which is the attraction between the cations(metal) and anions (non metal).
Metallic bonding is the electrostatic force of attraction between the fixed cations and the delocalized electrons.
Answer:
Air is a mixture of gases
The answer should be (D) endothermic reaction.
Reason : - Reactions in which energy is absorbed are called endothermic reactions. In your provided question, 150 kcal energy is being <u>absorbed</u>, and thus, we can say that it is an endothermic reaction.
Alpha particle has a mass of 4 (Two protons and two neutrons)
Neutron has a mass of 1
Beta particle has a mass of about 0 (Electron)
Proton has a mass of 1
So the answer is (2) Beta particle
