Chapter 7 Chem: Practice Test
Yay, this practice test will determine if you're ready to take the real thing. Questions are taken right out of the book/packet and review lotsa vocab.
- 1.A chemical bond is the attraction between a positive nucleus and negative electrons, or positive and negative ions. True or False?
- A.
True
- B.
False
- 2.A _____ ______ is a force that holds two atoms together.
- 3.Atoms that acquired a positive or negative charge are called ____.
- 4.The energy required to lose an electron is known as __________ ______.
- 5.Electron affinity is the amount of attraction an atom has for _______.
- A.
Cations
- B.
Anions
- C.
Electrons
- D.
Nuclei
- E.
Photons
- 6.Noble gases have:
- A.
Low ionization energy and high electron affinity
- B.
High ionization energy and low electron affinity
- C.
The same amount of ionization energy as electron affinity
- 7.The number of valence electrons can be directly related to the difference in reactivity.
- A.
True
- B.
False
- 8.An Ionic compound with 2 elements, containing one metal cation and one nonmetal anion, is known as:
- A.
Monoatomic Ionic Compound
- B.
Polyatomic Ionic Compound
- C.
Binary Ionic Compound
- D.
Binary Element
- 9.Metals are ______, while nonmetals are _______.
- A.
Anion, cation
- B.
Brittle, malleable
- C.
Gypsies, thieves
- D.
Cation, anion
- 10.The electrostatic force that holds oppositely charged particles together in an ionic compound is known as:
- A.
Electromagnetitivity
- B.
A Cation
- C.
Electron Affinity
- D.
Ionic Bond
- E.
Chemical-Covalent Bond
- 11.Large numbers of positive ions and negative ions exist together in a ratio determined by the number of electrons transferred from the metal atom to the nonmetal atom. These ions are packed in a regular, repeating pattern that balances the forces of attraction and repulsion between the ions. This regular, repeated pattern in a 3-dimensional geometric arrangement is known as:
- A.
The ionic pyramid of charges
- B.
Crystal Lattice
- C.
Electron Affinity Model
- D.
Sea of Electrons Model
- 12.What does conductivity of an ionic compound depend upon?
- A.
The cardinal charge of the cation
- B.
The cardinal charge of the anion
- C.
Lattice Energy and how it affects the ionic compound
- D.
Whether the ionic compound is a monoatomic compound or a binary compound
- E.
The free-moving ability of electrons
- 13.Ionic crystals typically have _____ melting and boiling points because of strong, attracted forces. Similarly, ionic crystals are ______ when solid.
- A.
High, nonmalleable
- B.
Low, nonmalleable
- C.
High, malleable
- D.
Low, nonmalleable
- 14.An Ionic compound whose acqueous solution conducts an electric current is known as:
- A.
Delocalized Ionic Compound
- B.
Polyatomic Ionic Compound
- C.
Binary Ionic Compond
- D.
Electrolyte
- E.
Crystal Lattice
- 15.The energy required to separate one mole of the ions of an ionic compound is:
- A.
Electron Affinity
- B.
Lattice Energy
- C.
Ionization Energy
- D.
Electromagnetitivity
- E.
Monoatonomy
- 16.The _____ the lattice energy, the stronger the force of the attraction is.
- A.
Greater
- B.
Lesser
- 17.The smaller the ions are, the ________ the lattice energy is because of interionic attraction due to there being a _____ distance between charges
- A.
Greater, greater
- B.
Greater, smaller
- C.
Smaller, greater
- D.
Smaller, smaller
- 18.A formula unit (chemical formula for an ionic compound) is always ____ in charge.
- A.
Positive
- B.
Negative
- C.
Neutral
- 19.Note: the characters after the " ^ " are meant to be held up in superscript.Is the following a monoatomic, polyatomic, or binary ion? Mg ^ 2+
- A.
Monoatomic
- B.
Polyatomic
- C.
Binary
- 20.The charge of a monoatomic ion is equal to the number of electrons transferred from the atom to the ion. This is called:
- A.
Lattice energy
- B.
Formula unit
- C.
Electrostatic attraction
- D.
Oxidation number
- 21.An Ion made of more than 1 atom is:
- A.
Monoatomic
- B.
Binary
- C.
Polyatomic
- 22.A(n) _____ is a polyatomic ionic compound composed of an element, usually a nometal, bonded to one or more oxygen atoms.
- A.
Oxidation state
- B.
Oxyanion
- C.
Oxion
- D.
Oxanion
- 23.When naming oxyanions, it is likely that you will use "ate" or "ite", like "Nitrate" and "Nitrite."Which of the following statements, knowing this, is true?
- A.
"Ate" will always have a superscript that is 1 greater than "ite".
- B.
"Ite" will always have a superscript that is 1 greater than "ate."
- C.
"Ite" will always have a superscript that is 3 times as that of "ate."
- 24.___________ Ionic compounds always end in "ide."
- A.
Monoatomic
- B.
Binary
- C.
Polyatomic
- 25.What is the name of CsBr?
- A.
Cesium Bromate
- B.
Cesium Bromite
- C.
Celium Bromide
- D.
Cesium Bromide
- E.
Celium Bromite
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