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- 1. Multiple ChoiceWhat is the definition of an element?Substances made up of only one type of atomThe smallest building block that makes up all matterMade up of several different atoms joined togetherMade up of chemicals and compounds not chemically joined together
- 2. Multiple Choice
What is this diagram representing?An elementA mixture of elements and compoundsA compoundA mixture of elements - 3. Multiple ChoiceWhat are the subatomic particles that make up an elements's structure?Protons and neutronsProtons, neutrons and electronsPrions, nitrons and electronsProtons and electrons
- 4. Multiple ChoiceWhat is the charge of a neutron?PositiveNegativeNeutral/no charge
- 5. Multiple ChoiceWhat is the center of the atom called?OrbitalNucleusProtonElectron shell
- 6. Multiple ChoiceWhere are the electrons found in the atom?NucleusElectron shellsWith the protons
- 7. Multiple ChoiceThe atomic number of an element tells us how many ______ the atom has in its nucleusElectronsProtonsNeutrons
- 8. Multiple ChoiceThe atomic mass tells us how many ______ the atom has in its nucleus.Electrons and neutronsProtons and neutronsProtons and electrons
- 9. Multiple ChoiceCarbon-12 has 6 protons and 6 neutrons. How many electrons will orbit the nucleus?126318
- 10. Multiple ChoiceWhat subatomic particle determines what the element is?ProtonsNeutronsElectrons
- 11. Multiple ChoiceThe overall charge of an atom will be negative if there are.....More protons than electronsMore electrons than protons
- 12. Multiple ChoiceThe overall charge of an atom will be positive if there are....More protons than electronsMore electrons than protons
- 13. Multiple ChoiceColumns in the periodic table are called______, rows are called_________Periods, groupsGroups, periods
- 14. Multiple ChoiceAbove is potassium's atomic symbol. Calculate the number of neutrons.1920910
- 15. Multiple ChoiceThe period number tells us...How many electron shells an element hasHow many electrons are in the most outer shell
- 16. Multiple ChoiceThe group number tells us...How many electron shells an atom hasHow many electrons are in the most outer shell of an element
- 17. Multiple ChoiceHow many electron shells does Magnesium (Mg) have?2415
- 18. Multiple ChoiceHow many electrons are in the most outer shell of Aluminium (Al)?1435
- 19. Multiple ChoiceWhen an atom or molecule has from one to four electrons in its outer shell....You subtract the electron number from 8 to determine the valencyIt has a positive valency
- 20. Multiple ChoiceWhen an atom or molecule has from 4 to 7 electrons in its outer shell....You subtract the number from 8 to determine its valencyIt will have a positive valency
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