Answer:
is this rearrange words then it would be
she did not phone me at the weekend
I hope it helps
Alpha particles are relatively heave and can be stopped by a sheet of paper.
Answer: Argon (Ar), which has 18 protons.
Answer:
Option 2 and 4 are correct
Explanation:
The reactants in the attached image have more enthalpy and hence less stability as they are more reactive. Thus, Product is more stable than the reactants.
This is an addition reaction in which two reactants add up to form the product.
Very less activation energy is required as the reactants themselves are unstable, possess high energy and hence are very reactive.
Reactants have more energy than the products.
