All of the elements in the periodic table are monoatomic except the 7 elements that are diatomic atoms. These 7 elements are hydrogen, nitrogen, oxygen, chlorine, bromine, iodine and fluorine. Monoatomic substances are those elements that are stable by themselves.
Protons, it was once organized by atomic mass but organizing by protons turned out to be better
A joule is defined as the amount of energy transferred to an object when a force of one newton acts on the object in the direction of its motion through a distance of one meter (1 newton meter or Nm)
D. microwaves, Ultraviolet, x-rays
Answer: True
Explanation: For example, changing direction can change velocity
