The atomic number of an element is determined by the number of electrons in the nucleus of the atom. a. true b. false

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is the most stable monatomic ion formed from nitrogen