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- 1. Multiple ChoiceThe word "atom" comes from the Greek word...AtomosAtomusAtamosAtoms
- 2. Multiple ChoiceWhich person promoted the theory that all nature could be understood in terms of the movement of atoms?Dimitri MendeleevJohn DaltonDemocritusErnest Rutherford
- 3. Multiple ChoiceIn ancient times, many elements were known. Most of the names of these elements are from ____ words.SpanishFrenchLatinEnglish
- 4. Multiple ChoiceWho proposed the Atomic Theory?DemocritusErnest RutherfordDimitri MendeleevJohn Dalton
- 5. Multiple ChoiceThe Atomic Theory stated that:Some matter is composed of atoms, all atoms of the same element are identical, atoms of different elements are the same, and Atoms unite in indefinite ratios to form compoundsAll matter is composed of atoms, All atoms of the same element are identical, atoms of different elements are different, and atoms unite in definite ratios to form compoundsNo matter is composed of atoms, all atoms of the same element are identical, atoms of different elements are similar, and atoms unite in definite ratios to form compoundsAll matter is composed of atoms, all atoms of the same element are identical, atoms of different elements are the same, and atoms unite in definite ratios to form compounds
- 6. Multiple ChoiceWho's periodic table classified and sorted elements based on common properties? This table had 62 elements and left space for 20 not discovered yet.J.J. ThompsonErnest RutherfordDimitri MendeleevDemocritus
- 7. Multiple ChoiceIn the early periodic table, how many elements had not yet been filled in?32201617
- 8. Multiple ChoiceIn the early periodic table, the elements were arranged in order of...Mass NumberElectron NumberNeutron NumberAtomic Number
- 9. Multiple ChoiceWhat proved the early periodic table to be a good model?The fact that the elements were proved to be elementsThe fact that the scientist that created it was the most advanced in his timeThe discovery of atoms to fill the blank spacesThe fact that the theory of the periodic table was proven
- 10. Multiple ChoiceWho discovered the electron in 1897?Ernest RutherfordJames ChadwickJ.J ThompsonDimitri Mendeleev
- 11. Multiple ChoiceWhat did the scientist who discovered the electron imagine an atom as?A galaxy with planets spread throughoutA cupcake with sprinkles spread throughoutA raisin pudding with electrons stuck in a cake of positive chargeBanana bread with nuts spread throughout the bread
- 12. Multiple ChoiceWho discovered the nucleus in 1912?J.J. ThompsonErnest RutherfordJames ChadwickDimitri Mendeleev
- 13. Multiple ChoiceHow was the nucleus discovered?Through scattering experimentsThrough comparing models to atoms in a microscopeThrough a group of highly valued scientists theorizingThrough a microscope's lenses
- 14. Multiple ChoiceWhat was the atom concluded as?Mostly full space, with empty space on the outside of the atomMostly empty space, with a slightly denser body at the center, with electrons orbiting itMostly empty space, with a large dense body at the center and electrons orbiting it like planetsMostly full space, with a large dense body at the center and electrons orbiting it like planets
- 15. Multiple ChoiceWhat was also realized about the nucleus?It was realized that it only had neutral charged particlesIt was realized that it only had positive charged particlesIt was realized that the nucleus has both positive and neutral charged particlesIt was realized that the nucleus was just a dense body with neither negative nor positive charged particles
- 16. Multiple ChoiceHow was it concluded that most of an atom is empty space?By how fast the elections orbited around the atomBy how the alpha particles behavedBy how the charges in the nucleus actedBy the movement of the atom
- 17. Multiple ChoiceWho discovered the neutron in 1932?J.J ThompsonDimitri MendeleevErnest RutherfordJames Chadwick
- 18. Multiple ChoiceWhat is an electron?A positively charged fundamental particleAn uncharged fundamental particleA small, central unit in the atom that contains neutrons and protonsA negatively charged fundamental particle
- 19. Multiple ChoiceWhat is a proton?A negatively charged fundamental particleA positively charged fundamental particleAn uncharged fundamental particleA small, central unit in the atom that contains neutrons and protons
- 20. Multiple ChoiceWhat is a neutron?A negatively charged fundamental particleA positively charged fundamental particleAn uncharged fundamental particleA small, central unit in the atom that contains neutrons and protons
- 21. Multiple ChoiceWhat is a nucleus?A negatively charged fundamental particleA positively charged fundamental particleAn uncharged fundamental particleA small, central unit in the atom that contains neutrons and protons
- 22. Multiple ChoiceEach element in the Periodic Table has a different number of ____ in its nucleusNeutronsElectronsProtonsVolume
- 23. Multiple ChoiceProtons have ____ chargeNegativePositive
- 24. Multiple ChoiceIf you change the number of ______ you change the ______Electrons, NucleusNeutrons, ElectronProtons, NucleusProtons, Element
- 25. Multiple ChoiceElectrons have ____ chargePositiveNegative
- 26. Multiple ChoiceIf you change the number of electrons, what happens to the element?It changesIt becomes unstableIt ionizesIt explodes :)
- 27. Multiple ChoiceMOST elements also have ______ElectronsProtonsA NucleusNeutrons
- 28. Multiple ChoiceWhat is the purpose of the Atomic Number?It tells the average mass of an element's atomsIt tells how many protons are in an atom's nucleusIt tells how many neutrons are in an atom's nucleusIt is the combined total of neutrons and protons in an atom's nucleus
- 29. Multiple ChoiceWhat is the purpose of Atomic Mass?It tells how many protons are in an atom's nucleusIt is the average mass of an element's atomsIt equal the combined total of electrons and protons in an atom's nucleusIt tells us where it is on the periodic table
- 30. Multiple ChoiceAtomic Mass is equal to the number of ____ and _____ in an atom's nucleusNeutrons, ProtonsElectrons, ProtonsElectrons, Neutrons
- 31. Multiple ChoiceThe number of electrons is the same as the number of...ProtonsNeutronsAtomsNucleuses
- 32. Multiple ChoiceHow do you get the number of neutrons?You add the Atomic Number to the Atomic MassAdd protons and electrons togetherSubtract the Atomic Number from the Atomic MassSubtract the Atomic Mass from the Atomic Number
- 33. Multiple ChoiceWhat is an atom?Any of more than 100 fundamental substances that consists of atoms of only one kindThe smallest unit of an elementA collection of neutrons bound togetherA collection of electro bound together
- 34. Multiple ChoiceWhat is an element?The smallest unit of an elementAny of more than 100 fundamental substances that consists of atoms of only one kindA collection of neutrons bound togetherA collection of electrons bound together
- 35. Multiple ChoiceWhat is a molecule?A collection of neutrons bound togetherAny of more than 100 fundamental substances that consists of atoms of only one kindA collection of atoms bound togetherA collection of neutrons bound together
- 36. Multiple ChoiceMolecules can be made from ___ element or ____ elementsOne, twoOne, fourOne, differentOne, multiple
- 37. Multiple Choice
What is the atomic number in this?196.97117.9779Au - 38. Multiple ChoiceWhat is the atomic mass in this?79117.97Au196.97
- 39. Multiple ChoiceA variant form of an element that has similar structure but different mass describes a/an...IonIsotopeAtomic NumberAtomic Mass
- 40. Multiple ChoiceIsotopes are atoms that have the same atomic number as others, but the ______ is differentNumber Of ProtonsNumber Of NeutronsAtomic MassNumber Of Electrons
- 41. Multiple ChoiceIf an isotope loses protons, it becomes a/an _______.IonDifferent ElementUnstable ElementAtom
- 42. Multiple ChoiceEach _____ has a limited number of isotopes that occur naturallyAtomMoleculeCompoundElement
- 43. Multiple ChoiceSome _____ can be unstable and radioactive.IsotopesAtomsIonsElements
- 44. Multiple Choice_____ are atoms with an electrical charge.IsotopesIonsElementsCompounds
- 45. Multiple ChoiceThe charge in electrical charged atoms comes from...Losing or gaining protonsLosing or gaining neutronsLosing or gaining electronsLosing or gaining nuclei
- 46. Multiple ChoiceIt was realized that the past model of the atom was incorrect because...The nucleus only included neutrons, not electrons or protonsIt was realized that the attraction between the electrons and protons should made the atom unstableIt was realized that the electrons do not follow a fixed orbit
- 47. Multiple ChoiceWho proposed a model in 1913 in which the electrons would stably occupy fixed orbits, as long as these orbits had special locations?J.J. ThompsonDimitri MendeleevErnest RutherfordNiels Bohr
- 48. Multiple ChoiceIn the Bohr model, electrons occupy specific "orbits", but can...change orbitschange into protonschange into electronsrotate it's axis
- 49. Multiple ChoiceOrbits are changed by...The presence of a new proton or electronThe absorption or emission of a photon of a specific color of lightThe speed of electrons
- 50. Multiple ChoiceModern theories lead to the theory that...Electrons are indeed negatively charged particlesthere are stable locations of electrons which are not exact planetary orbitsThe presence of electrons is calculated
- 51. Multiple ChoiceThere are four electron shells, characterized by a different principle quantum number, usually calledznau
- 52. Multiple ChoiceYou can't measure the exact location of a/an...protonelectronneutron
- 53. Multiple ChoiceNo two electrons can be in the same orbital unless..they follow behind each otherthey have the same spinthey have opposite spins
- 54. Multiple ChoiceEach electron cloud has a different....number of electrons orbiting itshapespeed of orbit
- 55. Multiple ChoiceElectron shells are not fixed orbits, but clouds of...nitrogen gasprobabilityrings
- 56. Multiple ChoiceEach period in the Periodic Table starts a new shell of...ProtonsNeutronsElectrons
- 57. Multiple ChoiceUp and down column in the periodic table are called...periodscolumnsgroups
- 58. Multiple ChoiceElements with similar properties have the same number of electrons in the outermost shell. These are called...Quantum ElectronsValence Electrons
- 59. Multiple ChoiceThe first shell holds up to ___ electrons. The orbital is spherical and called 1s. The first row of the periodic table consists of of 2 elements with 1s electrons.twothreefoureight
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