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- 1. Multiple ChoiceWhat is the basis of a metallic bond?the attraction of neutral metal atoms.the attraction between protons and neutrons.the attraction between positive metal ions and interlocking electrons.the attraction between positive metal ions and free floating electrons.
- 2. Multiple ChoiceThere are more metals than non metals in the periodic table.TrueFalse
- 3. Multiple ChoiceAt room temperature, most metals areliquidsolidgasan alloy
- 4. Multiple ChoiceWhat does malleable mean?able to be shapedwill break easilycan be used for wireis shiny
- 5. Multiple ChoiceWhich of these is NOT an alloy?bronzecopperbrassstainless steel
- 6. Multiple ChoiceElectrons that are free to move in metalsdelocalized electronsoxidation numberchemical bondsalts
- 7. Multiple ChoiceWhat is the ability of a substance to be pulled into a thin strand?MalleabilityDuctilityConductivitySolubility
- 8. Multiple ChoiceWhy do metals have high melting points?They don'tThe negatively charged electrons act as a glue to hold the positively charged ions together.All the electrons become delocalised
- 9. Multiple ChoiceWhy do metals conductThey are shinyThe electrons are held tightly within the latticeThe electrons are delocalised and able to moveThe electrons are shared between two metal ions
- 10. Multiple Choice
Why does the melting point of metals increase across period 3, from Sodium (Na) to Aluminium (AI)?
Size of atoms gets smaller
Attraction force between nuclei and free electron increases
Increased space between the valence electrons in the "sea"
Increased number of valence electrons contributed to the "sea"
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