What is the major difference between one element from another element?
Number of electrons
Structure of atom. Know where protons, neutrons, and electrons are located
The protons and neutrons are joined in the center by a strong force and the electrons circle the outer most area of the atoms field.
Be able to use a periodic table to answer the following type of questions. The key for atomic mass and atomic number will not be provided for you. For example Atomic mass of Cl is , Cl has number of electrons, protons, etc. Cl has ___ number of electrons on it's outer shell. Is Cl a solid, gas, or a metalloid?
Atomic mass 35.47
17 electrons, protons
17 electrons, protons
