The cost of a bag is 120.00 plus 12.5 % VAT. Harry has 113, how much more money does he need to purchase the bags?​

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

How does concentration affect reaction rate