A) Bohr B) Dalton C) Rutherford D) Thomson
A) Neutron B) Proton C) Quark D) Electron
A) Protons and neutrons B) Protons and electrons C) Neutrons and electrons D) Electrons only
A) Electron B) Proton C) Quark D) Neutron
A) Rutherford’s model B) Quantum model C) Dalton’s model D) Bohr’s model
A) Thomson B) Bohr C) Dalton D) Einstein
A) Neutral B) Negative C) Positive D) No charge
A) Mass number B) Number of neutrons C) Number of protons D) Number of isotopes
A) Atom B) Ion C) Molecule D) Nucleus
A) Bohr’s model B) Rutherford’s model C) Thomson’s model D) Dalton’s model
A) Neutron B) Positron C) Proton D) Electron
A) Osmium B) Oxygen C) Oxide D) Ozone
A) 8 B) 6 C) 14 D) 12
A) Schrödinger B) Bohr C) Dalton D) Thomson
A) Protons = Electrons B) Protons < Electrons C) None of these D) Protons > Electrons
A) Orbit B) Nucleus C) Shell D) Core
A) Neutron B) Positron C) Electron D) Proton
A) Between protons B) In the electron cloud C) Inside the nucleus D) Inside neutrons
A) Electron B) Neutron C) Molecule D) Proton
A) Atom B) Cell C) Nucleus D) Molecule
A) Dalton B) Einstein C) Democritus D) Aristotle
A) 11 B) 10 C) 12 D) 13
A) TRUE B) FALSE
A) TRUE B) FALSE
A) FALSE B) TRUE
A) DISAGREE B) AGREE
A) AGREE B) DISAGREE
A) Democritus B) Thomson C) Aristotle D) Dalton
A) Dalton B) Aristotle C) Thomson D) Democritus
A) Dalton B) Thomson C) Democritus D) Rutherford
A) Rutherford B) Proust C) Schrodinger D) Hantaro
A) gluon B) strange C) tau neutrino D) down
A) bottom B) photon C) electron neutrino D) top
A) Muon neutrino B) W boson C) HIggs boson D) Up
A) electron B) neutron C) proton D) quarks
A) All of the above B) Most particles bounced back C) Alpha particles passed through foil D) Atoms are mostly empty space
A) atoms from a variety of elements combine to form an element in specific ration B) small building blocks called cells make up matter. Atoms are the smallest building blocks of elements and are capable of participating in chemical reactions. C) atoms of a certain element exhibit distinct features that distinguish them from atoms of any other element. D) atoms of the same type, each with a consistent mass, make up an element.
A) 11 B) 13 C) 12 D) 10
A) 9 B) 20 C) 10 D) 8
A) Oxygen B) Sodium C) Fluorine D) Neon
A) Proton B) Quark C) Neutron D) Electron
A) Beryllium B) Hydrogen C) Lithium D) Boron
A) Proton (+), Electron (0), Neutron (–) B) Proton (0), Neutron (+), Electron (–) C) Proton (+), Neutron (0), Electron (–) D) Proton (–), Neutron (+), Electron (0)
A) 8 B) 32 C) 16 D) 18
A) Atomic mass B) Number of neutrons C) Atomic number D) Valence electrons
A) Quantum mechanical model B) Thomson C) Bohr D) Dalton
A) Elements stopped reacting B) New evidence supports better models C) Old theories were incorrect D) Atoms changed structure
A) Bohr claimed atoms were indivisible B) Bohr said electrons were in the nucleus C) Bohr placed electrons in energy levels D) Bohr ignored the nucleus
A) Incorrect, because electrons move in regions of probability. B) Correct, because electrons never change orbits. C) Correct, as Bohr proved this model. D) Correct, because electrons have fixed paths.
A) Student A, because protons determine atomic number. B) Student B, because electrons change easily. C) Both are correct since both are charged. D) Neither, because neutrons define the element. |