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- 1. Multiple ChoiceParticles in an atom that are neutral and have NO charge arenegatronselectronsneutronsprotons
- 2. Multiple Choice
The symbol for Carbon is612.011CCa - 3. Multiple ChoiceAll matter is made ofenergyatomsairchemistry
- 4. Multiple ChoiceWhat is the smallest?wormmoleculegalaxyatom
- 5. Multiple ChoiceWhat is the atomic number?the number of protonsthe number of protons and neutronsthe number of neutronsthe number of protons and electrons
- 6. Multiple ChoiceWhat are the 3 subatomic particles that make-up the atom?protons, neutrons, and isotopesneutrons, isotopes, and electronspositives, negatives, and electronsprotons, neutrons, and electrons
- 7. Multiple ChoiceWhat does the nucleus of an atom contain?Electrons and neutronsProtons and neutronsNeutrinos and positronsDNA and RN
- 8. Multiple ChoiceWhat is the atomic number?the number of protonsthe number of protons and neutronsthe number of neutronsthe number of protons and electrons
- 9. Multiple ChoiceHow many electrons does a neutral carbon atom have?02146
- 10. Multiple ChoiceHow many protons are in an atom of carbon?12.018614
- 11. Multiple ChoiceWhat element is this?LithiumBoronCarbonNeon
- 12. Multiple ChoiceWhat is at the center of every atom?An electronA compoundA moleculeA nucleus
- 13. Multiple ChoiceIn an atom, what is the number of protons equal to?The number of electrons.The number of neutrons.The number of molecules.The number of nuclei.
- 14. Multiple ChoiceThe particles with no charge in an atom are the _______.electronsneutronsprotonsprotons and neutrons
- 15. Multiple ChoiceThe positively charged particles of an atom are the ________.electronsprotonsneutronsprotons & neutrons
- 16. Multiple ChoiceThe negatively charged particles of an atom are the ______.electronsprotonsneutronsprotons & neutrons
- 17. Multiple ChoiceA particle that moves around the nucleus is a(n)...ProtonNeutronElectronQuark
- 18. Multiple ChoiceThe center of an atom that holds protons and neutrons?modelelectronnucleusneutron
- 19. Multiple ChoiceWhat number indicates an electron?1234
- 20. Multiple ChoiceWhat number indicates the nucleus?1234
- 21. Multiple ChoiceWhich element has 31 protons ?GalliumGermaniumGadoliniumPolonium
- 22. Multiple ChoiceWhat is the mass number?the number of protonsthe sum of the number of protons and the number of neutrons in the nucleus of an atomthe number of electronsthe number of neutrons
- 23. Multiple ChoiceOxygen’s atomic number is 8. This means that an oxygen atom must have8 valence electrons8 protons8 neutronsa mass number of 8
- 24. Multiple ChoiceIf you want to know which atom an element is, then count the _____protonsneutronselectronsnucleons
- 25. Multiple ChoiceFor an atom to be electrically neutral, it must contain the same number of _____protons and neutronsneutrons and electronsprotons and electronsnucleons and electrons
- 26. Multiple ChoiceIf an atom contains exactly three protons, then it's an atom of _____lithiumgoldnitrogencarbon
- 27. Multiple Choice
number of neutrons = _____
atomic number - mass number
isotope number - atomic weight
mass number - atomic weight
atomic mass - atomic number
- 28. Multiple ChoiceIn the Bohr model of the atom, what is the maximum number of electrons in the first shell?1268
- 29. Multiple ChoiceIn the Bohr model of the atom, what is the maximum number of electrons in the second shell?26818
- 30. Multiple ChoicePeriodsGroups
- 31. Multiple ChoicePeriodsGroups
- 32. Multiple Choiceenergy levelsvalence electronsprotonsneutrons
- 33. Multiple Choiceenergy levelsvalence electronsprotonsneutrons
- 34. Multiple ChoiceSame groupSame period
- 35. Multiple ChoiceGroup 1Group 17Group 2Group 18
- 36. Multiple ChoiceGroup 1Group 17Group 18Group 2
- 37. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 38. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 39. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 40. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 41. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 42. Multiple ChoiceMetalsNonmetalsMetalloidsnoble gases
- 43. Multiple ChoicemixturesMetalsNonmetalsMetalloids
- 44. Multiple ChoiceA vertical column is called...grouptowerperiodcrew
- 45. Multiple ChoiceThe number at the bottom of each square on the periodic table is the ...atomic numberatomic masschemical symbolelement name
- 46. Multiple ChoiceWhat is the chemical symbol for Lithium?HHeLiN
- 47. Multiple ChoiceMost of the elements on the periodic table are classified as _____.MetalsNonmetalsMetalloidsPeriods
- 48. Multiple ChoiceThis class of elements are sometimes called "semiconductors."MetalsNonmetalsMetalloidsGroups
- 49. Multiple ChoiceWhat section is the least reactive?yellowreddark blueorange
- 50. Multiple ChoiceIn what section would Transition Metals be found?orangelight bluebluewhite
- 51. Multiple ChoiceWhat are the first two elements on the periodic table?hydrogen and heliumhydrogen and lithiumhydrogen and carbonnitrogen and helium
- 52. Multiple ChoiceElements on the left side of the periodic table aremetalsnonmetalsmetalloidsnoble gases
- 53. Multiple ChoiceThe atoms along the staircase are calledmetalsnonmetalsmetalloidsnoble gases
- 54. Multiple ChoiceWhich elements have the most similar chemical properties?K and NaK and CaK and ClK and S
- 55. Multiple ChoiceNonmetals are located in what section of this periodic table?BlueYellowPink
- 56. Multiple ChoiceA ___________ is an arrangement of elements in columnscolumnsrowsperiodic tableelectron shell
- 57. Multiple ChoiceWhich element is not a metal?HReAlB
- 58. Multiple ChoiceElements in a ..................have similar chemical properties.periodgrouprow
- 59. Multiple ChoiceThe simplest substance is..?CarbonAn elementWaterA simple compound
- 60. Multiple ChoiceHow many electrons does Oxygen need to fill its outer shell?3412
- 61. Multiple ChoiceHow many Valance electrons does Iodine Have?616717
- 62. Multiple ChoiceThe period for Bromine is ___________.324
- 63. Multiple ChoiceBeryllium is in group number______.Group 2Group 3Group 4Group 7
- 64. Multiple ChoiceThe periodic table has __ periods.18827
- 65. Multiple ChoiceAn element's identity is determined by the number ofelectrons.protons.neutrons.valence.
- 66. Multiple ChoiceGroup 18 elements are known as the _____ _____ and have full valence shells.royal gases.supreme solids.noble gases.legit liquids.
- 67. Multiple ChoiceWhich elements have the most similar chemical properties?K and NaK and CaK and ClK and S
- 68. Multiple ChoiceWhat period and group is Silver (Ag)?Period 2, Group 1Period 3, Group 16Period 5, Group 11Period 2, 14
- 69. Multiple ChoiceThe elements in this group have 5 valence electrons and include elements N, P, and As.Group 5Group 1Group 18Group 15
- 70. Multiple ChoiceThe elements in this group only have 1 valence electron and include Li, Na, and K.Group 11Group 1Group 3
- 71. Multiple ChoiceWhich of the following is not a property of metals?brittlemalleablelustrousconductive
- 72. Multiple ChoiceThe periodic table has __ groups.87182
- 73. Multiple ChoiceHow many electrons do atoms need to be stable?1268
- 74. Multiple ChoiceSand and gravel may be separated from each other through using..a filter funnela sievean evaporating basina distillation
- 75. Multiple ChoiceWhich one of the following techniques would best be used to separate soil and water?DecantingdistillationFiltrationChromatography
- 76. Multiple ChoiceWhich one of the following solids is insoluble in water?sugarsandcopper sulfatesalt
- 77. Multiple ChoiceSodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:evaporation followed by filtrationdistillation followed by decantingfiltration followed by evaporationfiltration followed by decanting
- 78. Multiple ChoiceTwo or more substances mingled together, but not chemically combined are known as aresiduesolutiondistillatemixture
- 79. Multiple ChoiceThe separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known asdecantingevaporationloadingchromatography
- 80. Multiple ChoiceIn a coffee machine, the ground coffee is separated from the coffee solution by using..sand paperfilter papertoilet papertissue paper
- 81. Multiple ChoiceWhich one of the following would you use to separate sand from iron filings?a bar magnetfilter paperchromatography paperalum
- 82. Multiple ChoiceWhich one of the following is NOT a mixture?SugarPaintCrude oilAir
- 83. Multiple ChoiceWhen different gases are mixed together to form air there ischemical reactiondecompositionno physical reactionno chemical reaction
- 84. Multiple ChoiceIron fillings can be separated from iron and Sulphur mixture bysedementationheatingmagnetic attractionseiving
- 85. Multiple ChoiceWater and Kool-Aid are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?WaterCoffeeKool-aidSugar
- 86. Multiple ChoiceAll are solutes exceptsugarpeppersaltpowdered chocolate
- 87. Multiple ChoiceWhat is a substance that is dissolved in another substance?solutionsolutesolventcompound
- 88. Multiple ChoiceTo separate a mixture of salt and water what separation tool/method is used?FilterScreenMagnetEvaporation
- 89. Multiple ChoiceIf you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?FilterScreenMagnetEvaporation
- 90. Multiple Choicecompounds are chemically bounded togetherFalsetrueI don't know?
- 91. Multiple ChoiceCan an element be broken down into a simpler substanceyesNo
- 92. Multiple ChoiceAre there any compounds on the periodic tableyes there are manyno because only elements are on the periodic tableI think they are?
- 93. Multiple ChoiceWhich one has more than one type of atom in itElementCompound
- 94. Multiple Choicewhich one only has one type of atom In it.Elementcompound
- 95. Multiple ChoiceIs salt (NaCI) a compound or a elementCompoundelement
- 96. Multiple Choicewhich one can be found on the periodic tableCompoundElement
- 97. Multiple Choice1234
- 98. Multiple Choice1234
- 99. Multiple ChoiceHow many elements are represented in the compound?
Na2CO31234 - 100. Multiple ChoiceWhich of the following an element?Carbonic AcidCopperIron and CopperWater
- 101. Multiple ChoiceWhat is made up two or more elements that are chemically combined?ElementMixtureCompoundSolids
- 102. Multiple ChoiceHow is a compound different from a mixture?Solids, liquids, and gases can form compoundsEach substance in a compound loses its characteristic properties
- 103. Multiple ChoiceA combination of substances that are not chemically combined is called a(n)____________.mixturecompoundphysical
- 104. Multiple ChoiceMixtures are separated through ___________changes.mixturecompoundphysical
- 105. Multiple ChoiceThis picture represents which of the following?elementcompoundmixture
- 106. Multiple ChoiceThis picture represents which of the following?elementcompoundmixture
- 107. Multiple ChoiceThis picture represents which of the following?elementcompoundmixture
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