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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 ChoiceAt room temperature, most metals areliquidsolidgasan alloy
- 3. Multiple ChoiceWhat does malleable mean?able to be shapedwill break easilycan be used for wireis shiny
- 4. Multiple Choice
What is the ability of a substance to be pulled into a wire?
Malleability
Ductility
Conductivity
Solubility
- 5. Multiple Choice
The structure of metals includes
metal atoms sharing electrons
metal ions bonded to non-metal ions
cations surrounded by free-floating electrons
metal atoms giving electrons to other metal atomes
- 6. Multiple Choice
Metals conduct electricity because
the metal ions are free to travel
their electrons are free to travel
the bonds between metal atoms can easily be broken
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- 7. Multiple Choice
The melting point of magnesium is higher than that of sodium because
the relative atomic mass of sodium is less than that of magnesium
the metallic bonding in magnesium is stronger than that in sodium
the atoms in magnesium are packed more closely than the atoms in sodium
the atomic size of magnesium is larger than that of sodium
- 8. 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"
- 9. Fill in the Blank
Electrons that are free to move in metals are called _________ electrons
- 10. Multiple ChoiceThere are more metals than non metals in the periodic table.TrueFalse
- Answer choicesTagsAnswer choicesTags