An atom with atomic number of 6 would have how many protons?

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

How many neutrons does a atom of cobalt have?

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.