412 kelvin = 138.85° celsius
Protons are a cluster in the centre of an atom and electrons are orbiting around the protons
Answer: a)
Explanation: Mass percentage is defined as the ratio of the mass of the particular element to the total mass of the substance multiplied by 100.
mass of nitrogen[2 atoms of N] = 28 g
Total mass of
Answer: Zinc + Phosphoric Acid = Zinc Phosphate + Dihydrogen
Explanation: