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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"
- 11. Multiple ChoiceA mixture of two or more metals is called:mixturesolutioncompoundalloy
- 12. Multiple ChoiceElements on the LEFT side of the periodic table will most likely form:Positive ionsNegative ionsNeutral IonsNone of these
- 13. Multiple Choice
Why are metals malleable?
They are shiny
The electrons are held tightly within the lattice structure making it strong
The electrons are delocalized and able to move between the atoms
The electrons are shared between two metal ions and this holds the atoms together
- 14. Multiple ChoiceMagnesium bromide is an ionic compound with the chemical formula MgBr₂. What does the "2" tell you?There are 2 bromide ions for every magnesium ionBromide has a 2- chargeBromide has a 2+ chargeThere are 2 magnesium ions to every bromide ion
- 15. Multiple Choice
Which of the following pairs of elements would NOT react to form an IONIC compound?
sulfur and phosphorus
sodium and iodine
iron and oxygen
aluminum and bromine
- 16. Multiple ChoiceIonic compounds are ordinarily found asplasmaliquidsgassescrystalline solids
- 17. Multiple Choice
How are compounds with metallic bonds similar to ionic compounds?
Both tend to have double and triple bonds.
Both tend to have low boiling point
Both tend to have poor conductivity.
Both tend to have high melting points.
- 18. Multiple ChoiceWhich of the following is an alloy?sterling silverchromiumnickellead
- 19. Multiple ChoiceAn alloy is a mixture of two or more elements, of which at least one is a metal.truefalse
- 20. Multiple ChoiceMetallic bonding is...a type of covalent bond.a type of ionic bond.an attraction between positive ions and electrons.
- 21. Multiple ChoiceWhat is the ability of a substance to be rolled or pounded into a thin sheet?MalleabilityDuctilityConductivitySolubility
- 22. Multiple ChoiceWhat is the ability of a substance to allow heat, sound, or electricity to flow through it?MalleabilityDuctilitySolubilityConductivity
- 23. Multiple ChoiceIn metals, the _______ electrons form a shared sea of electrons.MetallicInnerOuterIonic
- 24. Multiple ChoiceWhat do metals conduct?heatelectricitybothneither
- 25. Multiple ChoiceMetals like to ________ electrons.GainLoseAnhilateJuggle
- 26. Multiple ChoiceIn metals, the _______ electrons form a shared sea of electrons.MetallicInnerOuterIonic
- 27. Multiple Choice
Which of these are considered properties of metals? (choose ALL that apply)
brittleness
low melting point
luster (shininess)
malleability
ductility
- 28. Multiple Choice
Why do metallic compounds conduct electricity as solids?
core electrons are mobile, allowing electricity to flow through the metal
valence electrons are mobile, allowing electricity to flow through the metal
protons are mobile, allowing electricity to flow through the metal
the metal cations are mobile, allowing electricity to flow through the metal
- 29. Multiple ChoiceThere are more metals than non metals in the periodic table.TrueFalse
- 30. Multiple ChoiceAt room temperature, most metals areliquidsolidgasan alloy
- 31. Multiple ChoiceI can hit a metal with a hammer without the metal shattering because of its __________.DuctilityMalleabilityConductivityLustrousness
- 32. Multiple ChoiceIn general, what can be said of the melting points of metals?They are low.They are high.They are lower than nonmetals.They do not have melting points.
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