Ch. 6 (Section 6.1 Workbook Questions), Chemical Bonds (Mrs. Sample)
Circle the letter of the correct answer. The formula for magnesium chloride is MgCl2. The charge on the magnesium ion is 2. What is the charge on each chloride ion? a. 2- b. 1- c. 0 d. 1+
b. 1-
The shape of an ionic crystal depends on _______ .
the arrangement of ions in its lattice
Is the following sentence true or false? An ion is an atom that has a net positive or negative electric charge.
true
Is the following sentence true or false? The lower the ionization energy, the easier it is to remove an electron from an atom.
true
Describe an electron dot diagram.
An electron dot diagram is a model of an atom in which each dot represents a valence electron.
Describe the type of electron configuration that makes an atom stable and not likely to react.
When the highest occupied energy level of an atom is filled with electrons, the atom is stable and not likely to react.
Circle the letter that states the result of a sodium atom transferring an electron to a chlorine atom. a. Each atom ends up with a more stable electron arrangement. b. The sodium atom becomes more stable, but the chlorine atom becomes less stable. c. The chlorine atom becomes more stable, but the sodium atom becomes less stable. d. Each atom ends up with a less stable electron arrangement.
a. Each atom ends up with a more stable electron arrangement.
Identify two factors that determine the arrangement of ions in an ionic crystal. a. _______ b._______
a. the ratio of ions b. the relative sizes of ions
Circle the letter of each piece of information provided by the chemical formula of an ionic compound. a. which elements the compound contains b. the charge on each ion in the compound c. how the ions are arranged in the compound d. the ratio of ions in the compound
a. which elements the compound contains & d. the ratio of ions in the compound
An ion with a negative charge is called a(n) _____.
anion
An ionic bond forms when _____ are transferred from one atom to another.
electrons
Some elements achieve stable electron configurations through the transfer of _______ between atoms.
electrons
Is the following sentence true or false? The attractions among ions within a crystal lattice are weak.
false
By losing one valence electron, a sodium atom achieves the same electron arrangement as an atom of ______.
neon