Atomic Structure practice worksheet 1

Master atomic structure! Practice protons, neutrons, electrons, and atomic number with this interactive worksheet.

Fill in the missing values in the chart below for the neutral atoms Symbol Atomic number Mass number Protons Neutrons Electrons O 8 18 8 10 8 Be 4 9 4 5 4 P 15 31 15 16 15 Cl 17 37 17 20 17 Mg 12 25 12 13 12 Fe 26 56 26 30 26 F 9 19 9 10 9 Identify the subatomic particles in the diagram below How many protons are there in 14 6C? 14 6 8 How many neutrons are there in 14 6C? 14 6 8 What is the mass number of14 6C? 14 6 8 What is the atomic number of 14 6C? 14 6 8 Fill in the blanks with the appropriate terms. The subatomic particle with a positive charge is the proton. The subatomic particle with a negative charge is the electron. The subatomic particle with no charge is the neutron. The mass of an atom is mostly from the protons and neutrons. The volume of an atom is mostly from the electrons.