What is the tiny central part of an atom called?, Shell, Ion, Nucleus, Molecule, Which particle has a positive charge?, Atom, Proton, Electron, Neutron, Which particle has no charge?, Nucleus, Proton, Electron, Neutron, Which particle moves around the nucleus?, Electron, Isotope, Proton, Neutron, True or False: Electrons are found in shells around the nucleus., False, True, What is the atomic number of an element?, Neutrons, Isotopes, Shells, Protons, True or False: The mass number equals protons plus neutrons., True, False, An atom is mostly made of empty what?, Metal, Energy, Space, Water, Which two particles are found in the nucleus?, Electrons, protons, Ions, atoms, Protons, neutrons, Electrons, neutrons, Fill in the blank: A negatively charged particle is an ________., Neutron, Nucleus, Proton, Electron, What is the mass number of an atom with 6 protons and 6 neutrons?, 12, 18, 0, 6, What is the atomic number of sodium if it has 11 protons?, 22, 11, 23, 12, True or False: Isotopes of an element have the same number of protons., False, True, What is different in isotopes of the same element?, Neutrons, Element name, Protons, Atomic number, What is an ion?, Type of shell, Neutral atom, Charged atom, Atom group, A positive ion forms when an atom..., Loses protons, Gains neutrons, Gains electrons, Loses electrons, A negative ion forms when an atom..., Gains electrons, Loses neutrons, Gains protons, Loses electrons, How many electrons can the first shell hold?, 10, 2, 4, 8, How many electrons can the second shell hold in Grade 9 models?, 10, 6, 2, 8, What is the electron arrangement of oxygen (8 electrons)?, 6,2, 8,0, 2,6, 2,8, What is the electron arrangement of sodium (11 electrons)?, 2,1,8, 2,9, 8,2,1, 2,8,1, Valence electrons are the electrons in the..., First shell, Middle shell, Outer shell, Nucleus, How many valence electrons does magnesium have in 2,8,2?, 12, 2, 10, 8, True or False: An atom is neutral when protons equal electrons., True, False, What is the charge of an atom with 12 protons and 10 electrons?, 2-, 2+, 0, 1-, What is the charge of an atom with 17 protons and 18 electrons?, 1-, 1+, 0, 2+, Which statement best describes an element?, Charged particle, Electron shell, One atom type, Two elements joined, Which statement best describes a compound?, Single proton, Neutral ion, One atom type, Joined elements, Which statement best describes an atom?, Two atoms joined, Only a nucleus, Smallest element part, A shell only, Which pair are isotopes of the same element?, Na and Cl, H and He, O and N, C-12 and C-14

Atomic Structure Quiz

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