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