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Chemistry
7th -
10thgrade
Properties of Ionic and covalent compounds (Review)
46 questions
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- 1. Multiple ChoiceWhich of the following is a property of an ionic compound?high melting pointsoftmalleableliquid at room temperature
- 2. Multiple ChoiceIonic compounds can conduct electricity as a solidtruefalse
- 3. Multiple ChoiceIn what form can an ionic compound conduct electricity?when dissolved in wateras a solidas a crystalwhen warmed slightly
- 4. 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
- 5. Multiple ChoiceIn what form can an ionic compound conduct electricity?when dissolved in wateras a solidas a crystalwhen warmed slightly
- 6. Multiple ChoiceIonic bonds form between metals and ____.metalloidsmetalsnonmetals
- 7. Multiple Choicewhich types of elements become cations?nonmetalsall metalsonly transition metalssome metals and some metalloids
- 8. Multiple ChoiceNonmetals tend togain electronslose electrons
- 9. Multiple Choice
What is the name of the three-dimensional pattern that forms when ions bond?
a crystal lattice
a chemical compound
an ionic bond
an ionic chalice
- 10. Multiple Choice
Ionic bonds could be best described as:
A bond formed when 2 atoms share electrons
A firm handshake
An electrostatic attraction between oppositely charged ions
An electrostatic attraction between anions
- 11. Multiple ChoiceIonic Bonding involves...The transfer of protonsThe transfer of nuetronsThe transfer of electronsNone Of the above
- 12. Multiple ChoiceIn a lattice structure oppositely charged ions :Will repelhave a strong electrostatic attraction
- 13. Multiple ChoiceThe reason that a sodium atom bonds with a chlorine atom is becauseSodium transfers an electron to Chlorineoppositely charged ions form a strong electrostatic attractionions are the same sizethe ions have a full outer shell
- 14. Multiple ChoiceA sodium atom can only form one ionic bond, because it only has one electron in its outer shell to donate.truefalse
- 15. Multiple ChoiceIonic compounds can conduct electricity as a solidtruefalse
- 16. Multiple ChoiceThe diagram showsthe transfer of electrons from the metal to the non-metalan ionic bond between oppositely charge ionsthe number of electrons lossed or gained by each ionAll of the above
- 17. Multiple Choice
Is the following compound ionic or covalent?
LiBr
Ionic
Covalent
- 18. Multiple Choice
Is the following compound ionic or covalent?
PBr5
Ionic
Covalent
- 19. Multiple Choice
Is the following compound ionic or covalent?
A material with a high melting point
Ionic
Covalent
- 20. Multiple Choice
Is the following compound ionic or covalent?
Exists as a solid, liquid or gas
Ionic
Covalent
- 21. Multiple Choice
Is the following compound ionic or covalent?
A material that has a low boiling point
Ionic
Covalent
- 22. Multiple Choice
Is the following compound ionic or covalent?
Cl2
Ionic
Covalent
- 23. Multiple Choice
Is the following compound ionic or covalent?
Cu(NO3)2
Ionic
Covalent
- 24. Multiple Choice
Is the following compound ionic or covalent?
A material that forms a crystal lattice
Ionic
Covalent
- 25. Multiple Choice
Is the following compound ionic or covalent?
BaI2
Ionic
Covalent
- 26. Multiple Choice
Is the following compound ionic or covalent?
Ag2O
Ionic
Covalent
- 27. Multiple Choice
Is the following compound ionic or covalent?
A material that is hard and brittle
Ionic
Covalent
- 28. Multiple Choice
Is the following compound ionic or covalent?
A material that SHARES electrons
Ionic
Covalent
- 29. Multiple Choice
Is the following compound ionic or covalent?
A material that LOSES and GAINS electrons
Ionic
Covalent
- 30. Multiple Choice
Is the following compound ionic or covalent?
A material that contains a metal and a nonmetal
Ionic
Covalent
- 31. Multiple Choice
Compounds composed of a ______________ and _____________ like the compound CaCl2 , are ionic compounds.
metal ... metal
nonmetal ... nonmetal
metal ... nonmetal
- 32. Multiple Choice
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
- 33. Multiple ChoiceWhen dissolved in water, the solution does NOT conduct electricity.ionic compoundscovalent compounds
- 34. Multiple Choiceusually hard but brittleionic compoundscovalent compounds
- 35. Multiple ChoiceWhen dissolved in water, the solution is a good conductor of electricity.ionic compoundscovalent compounds
- 36. Multiple ChoiceWhat elements generally make an ionic bond?metal and nonmetal2 or more nonmetalsmetalnone of the above
- 37. Multiple Choice
What property is describing an ionic compound?
shares electrons
high melting point
weak bonds
made up of nonmetals.
- 38. 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
- 39. Multiple ChoiceWhich of the following is a molecular compound?CaONaClCaCl2CH4
- 40. Multiple Choice
How do metal atoms form ions?
They lose electrons to form negative ions
They gain electrons to form positive ions
They lose electrons to form positive ions
They share electrons with other atoms
- 41. Multiple Choice
Which of these statements about a negative ion is true?
It has an equal number of protons and electrons
It has more protons than electrons
It has more electrons than protons
- 42. Multiple Choice
A magnesium ion has the formula Mg2+. What is the electron arrangement of the ion?
2.8
2.8.2
2.8.4
2.8.8
- 43. Multiple Choice
What type of forces hold on an ionic lattice together?
Electrostatic attraction forces
Covalent bond
Metallic bond
Van der Waals forces
- 44. Multiple Choice
What properties does an ionic compound have?
A low boiling point and it conducts electricity when dissolved in water
A high melting and it conducts electricity when liquid
A high boiling point and it conducts electricity when solid
- 45. Multiple Choice
Ionic compounds conduct electricity when dissolved in water. Which statement below best explains the property?
Ions are free to move.
Electrons are free to move.
Bonds are strong.
There are weak intermolecular forces of attraction.
- 46. Multiple ChoiceCovalently bonded molecules are made of atoms thatshare electornsshoot their electrons out into spacemove their electrons to the nucleus of the atomgive electrons to and accept electrons from each other
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