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20 2+8+8+2= 20

By increasing the temperature, the reactant particles gain more energy. This has a two-fold effect. Firstly, the reactant particles gain more kinetic energy, therefore they start to travel faster, resulti...

Increasing temperature increases the rate of reaction for 2 reasons: the first (minor) reason is that particles have more kinetic energy with increasing temperature, so there are more collisions between r...

Example Q: See the reaction: CH₄ + Br₂ --> CH₃Br + HBr, with bond energies as follows (in kJ/mol) :C-H = 412, Br-Br = 193,C-Br = x,H-Br = 366Overall energy = –51. Calcu...

Protons = 7Neutrons = 8Electrons = 7This N-15 isotope has an atomic number of 7 - this is equivalent to the number of protons.The atom is not charged and so will have the same number of electrons as proto...