Unit 3A Test Review
Quiz by Veronica Nickols
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19 questions
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- Q1How many protons and neutrons are in one atom of Si - 3016 protons and 16 neutrons14 protons and 14 neutrons16 protons and 14 neutrons14 protons and 16 neutrons30s
- Q2Which of the following showed electrons in specific, fixed orbits?Quantum ModelRutherford ModelBohr ModelPlanck Model30s
- Q3The alpha particles in Rutherford's experiments were used to -Identify the Melting PointBombard Sheets of GoldIdentify Chemical PropertiesDetermine Molecular Mass30s
- Q4Which of the following statements is most accurate regarding atoms?Most atoms cannot combine with other atomsAtoms of the same atom may have different mass numbers.Atoms only contain protonsChemical reactions divide atoms into smaller units30s
- Q5Which of these elements is the most electronegative?ChlorineArgonPhosphorous`Sulfur30s
- Q6Which element has the largest atomic radius?PollunimChlorineFranciumBerillium30s
- Q7Which of the following elements has the largest atomic radius?MagnesiumSodiumPotassiumCalcium30s
- Q8Which of the following atoms has the largest radius?FIBrCl30s
- Q9Which of the statements accurately describes the trends of electronegativity in the periodic table?it increases from right to left across a periodit increases from top to bottom in a groupit increases from bottom to top in a groupit decreases from left to right across a eperiod30s
- Q10Which of these statements accurately describes the trend of ionic energies or atomic radii in the periodic table?ionic energies increase from right to left across a period and bottom to top in a groupionic energies increase from left to right across a period and from top to bottom in a groupit increases from top to bottom in a groupit increases from left to right across a period30s
- Q11Which of these elements is the most reactive?PotassiumScandiumCalciumTitanium30s
- Q12Neon is a noble gas. Which of the following describes neon?Neon is a good conductor of heatNeon is highly electronegativeNeon has a very low chemical reactivity?Neon is solid at room temperature30s
- Q13Which of the following atoms would it be the most difficult to remove an electron?SulfurAluminumChlorineSodium30s
- Q14Using the periodic table predict which elements will have similar chemical properties or reactivity.Cadmium, Calcium, CarbonRubidium, yttrium, zirconiumNitrogen, Sulfur, BariumMagnesium, Strontium, Barium30s
- Q15Which family correctly represents the elements in Group on the periodic table?Lanthanide elementsActinide seriesTransition MetalsAlkali Metals30s