Fill in the Blanks Take Away Ideas: Part 2Online version Re-read the Take Away Ideas for Part 2 and complete this fill-in. by Shari Cayer 1 electrons organize no protons Number whole protons Atomic sequence An element's identity is determined by the number of in the nucleus . The other subatomic particles , neutrons & , have impact on determining the identity of the element . The number of in the nucleus of an atom / ion is known as the . This is a number on the periodic table and this is also the value used to the elements in a on the periodic table .