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Chemistry
10th
grade
Properties of ionic, covalent and metallic bonding
25 questions
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- 1. Multiple ChoiceA mixture of two or more metals is called:mixturesolutioncompoundalloy
- 2. Multiple ChoiceWhich of the following is an alloy?sterling silverchromiumnickellead
- 3. 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.
- 4. Multiple ChoiceWhich of these is NOT an alloy?bronzecopperbrassstainless steel
- 5. Multiple ChoiceWhat does malleable mean?able to be shapedwill break easilycan be used for wireis shiny
- 6. Multiple ChoiceElectrons that are free to move in metalsdelocalized electronsoxidation numberchemical bondsalts
- 7. 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
- 8. 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
- 9. 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.
- 10. Multiple ChoiceWhy are alloys generally used to make everyday objects?Alloys are often stronger and less active than pure metals.Alloys have higher melting point than pure metals.Alloys are less expensive to produce than pure metals.Alloys have ionic bonds instead of metallic bonds.
- 11. Multiple Choice
Which of the following is TRUE about ionic compounds?
They have low melting and boiling points.
They can conduct electricity in the solid state.
They are stronger than covalent bonds.
They are usually formed from 2 metals.
- 12. Multiple Choice
Which type of bond is formed from the sharing of electrons?
ionic bond
covalent bond
- 13. Multiple Choice
Ionic compounds are usually formed from _____.
two nonmetals.
a metal and a nonmetal.
two metals.
- 14. Multiple Choice
What set of elements is most likely to form a covalent compound?
Na and O
Na and K
O and C
- 15. Multiple Choice
Which of the following is NOT TRUE about covalent compounds?
They have low melting and boiling points.
They are formed from 2 nonmetals.
They can conduct electricity when dissolved in water (aqueous).
- 16. Multiple Choice
Which set of elements is most likely to form an ionic compound?
Na and O
C and O
Na and K
- 17. Multiple ChoiceIn general, this type of bond will form a compound with a high melting point.IonicCovalent
- 18. Multiple ChoiceIonic Bonding involves...The transfer of protonsThe transfer of nuetronsThe transfer of electronsNone Of the above
- 19. Multiple Choice
Why do atoms form bonds?
to attain a noble gas configuration
to increase their mass
to increase their atomic number
to attain an alkali metal configuration
- 20. Multiple ChoiceSome are solids, some are liquids, and some are gases at room temperature.ionic compoundscovalent compounds
- 21. Multiple ChoiceWhen dissolved in water, the solution is a good conductor of electricity.ionic compoundscovalent compounds
- 22. Multiple ChoiceIn what form can an ionic compound conduct electricity?when dissolved in wateras a solidas a crystalwhen warmed slightly
- 23. Multiple ChoiceWhich of the following is a characteristic property of ionic compounds?They form hard, brittle crystals with characteristic shapesThey have low melting pointsThey have low boiling pointsThey contain no charged particles
- 24. Multiple Choice
Is the following compound ionic or covalent?
A material that LOSES and GAINS electrons
Ionic
Covalent
- 25. Multiple Choice
The following properties are all characteristics of ionic compounds EXCEPT
high melting and boiling points
soft
crystal lattice structure
conduct electricity when dissolved in water
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