Periodic Table of Elements Jeopardy Click here to play the jeopardy theme Atom and Matter Protons Neutrons Electrons 100 100 100 100 200 200 200 200 300 300 300 400 400 500 500 What is a Proton? Answer A proton is a positive tiny particle, located in the nucleus. How many protons are in Gallium? Answer 31 How many protons are in krypton? Answer 36 How many protons are in einsteinium? Answer 99 How many protons are in francium? Answer 87 What is a neutron? Answer Particles in an atom that has no electronic charge Where is the neutron located? Answer In the nucleus of an atom as well as the proton surrounded by the rings with electrons on them How many neutrons are in cadmium? Answer 74 How many neutrons are in mercury? Answer 121 How many neutrons are in rutherfordium? Answer 163 What is an electron? Answer A negatively charged particle that surrounds the nucleus What do you call the rings that the electron float on? Answer The inner and outer core How do you find how many electrons are in an atom? Answer You look at the atomic number What is an atom? Answer A small particle that makes up everything What is matter? Answer Anything that takes up space and has mass