Atomic structure and Periodic table
Quiz by Maribel Garcia
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14 questions
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- Q1An unidentified element requires 2 extra electrons to become stable, and is a nonmetal. It is found in both the atmosphere and in oceans and rivers when in a compound form. Its atomic mass is less than 20.000 amu. What element is it?OxygenCalciumNitrogenCarbon30s
- Q2An unidentified element has the same chemical properties as Gallium and Aluminum, but has a lower atomic mass then either of these elements. What is the identity of this element?BoronBerylliumCarbonIndium30s
- Q3Group 15 (5A) has an element that has a higher atomic mass than Nitrogen, but is lighter than Antimony. Its electrons occupy 3 energy shells. Identify the element.ArsenicPhosphorusSulfurSilicon30s
- Q4This element is found in Group 18 (8A) of the periodic table and has 2 energy levels. Identify the element.FluorineNeonArgonHelium30s
- Q5This group 13 (3A) element has 13 total electrons. What other element would have the same number of valence electrons as this element does?SiliconTinIndiumSodium30s
- Q6What element?ChlorineAluminumFlourineNitrogen30s
- Q7What element?NeonLithiumHeliumHydrogen30s
- Q8What element?SodiumPotassiumCalciumRubidium30s
- Q9What element?OxygenBoronBerylliumNitrogen30s
- Q10What element?PotassiumSodiumLithiumHydrogen30s
- Q11Element in period 4, group 2BerylliumCarbonCalciumPotassium30s
- Q12Element in group 8, period 3SodiumTinArgonHelium30s
- Q13An unknown element need to gain 2 electrons to reach a stable state. It belongs to period 3.ChlorineSulfurOxygenAluminum30s
- Q14An unknown pure substance is a liquid at room temperature and is a type of nonmetal. It is the only Halogen to be a liquid. It has a lower atomic mass than Iodine, but is heavier than Chlorine. Which element is it?AstatineBromineFlourineMercury30s
