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- 1. Multiple Choice
How many electrons does Si contain? (click to see image)14282None of these - 2. Multiple ChoiceHow many electrons does potassium K contain? (click to see image)19392040
- 3. Multiple ChoiceWhat element is represented in this Bohr Model?CarbonHydrogenAluminumLithium
- 4. Multiple ChoiceWhat is the mass number of this atom?1347
- 5. Multiple ChoiceWhat group does this element belong to?Group 1: Alkali metalsGroup 18: Noble GasesGroup 2: Alkaline-Earth MetalsGroup 17: Halogens
- 6. Multiple ChoiceCarbon-12 has 6 protons and 6 neutrons. How many electrons will orbit the nucleus?126318
- 7. Multiple ChoiceWhat is the charge of a neutron?PositiveNegativeNeutral/no charge
- 8. Multiple ChoiceWhat is the center of the atom called?OrbitalNucleusProtonElectron shell
- 9. Multiple ChoiceWhat's a valence electron?electrons in the second energy levelelectrons in the outermost energy levelthe atomic numberelectrons in the first level
- 10. Multiple ChoiceIdentify the element in the pictureBoronCarbonNitrogenLithium
- Answer choicesTagsAnswer choicesTags