Atoms and Elements: Quiz #1

Fill in the blanks by clicking on the blank, then choosing the correct term. Atoms with the same number of protons and electrons (positives and negatives) are considered to be neutralatoms. Protons are found in the nucleusof an atom, while electrons are found in the electron shells. Neutronsand protons make up the nucleusof an atom. Where is most of an atom's atomic mass? In the nucleus In the electrons cloud Atoms do not have atomic mass It cannot be determined How can you determine an atom's atomic mass? Add the protons and electrons together Add the protons and neutrons together Add the electrons and neutrons together It cannot be determined Which element is pictured below? Use your knowledge of the subatomic particles (protons, neutrons, electrons) and the Periodic Table. Hydrogen Helium Lithium Beryllium Boron Which element is pictured below? Sulfur Phosphorus Gallium Magnesium What organization of the Periodic Table is demonstrated in the picture below? Select all correct answers. groups periods Electrons are outside the nucleus and have a negative charge. True False How many energy levels does this atom contain? 1 2 3 4 Match the subatomic particles with their charge and mass. protons positive, 1 amu neutrons neutral, 1 amu electrons negative, 0 amu What element contains 16 protons? Sulfur Oxygen Chlorine Potassium Fill in the missing words using the words across, energy levels, andperiods. Periodsgo acrossthe Periodic Table and determine the number of energy levels.