NEW
Font size
WorksheetsChapter 7 Ionic Bond and Metals Section 1-2
Total questions: 10
Worksheet time: 5mins
1) Which of these is the electron configuration of an atom most likely to lose an electron?
1s2 2s2 2p6
[He]2s2 2p5
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6 4s1 1s2 2s2 2p6 3s2 3p6 4s1
A positive ion forms when ___________.
an atom loses one or more valence electrons
an atom gains one or more valence electrons
electrons are pulled into the nucleus
electrons are pushed out of the nucleus
Why is the calcium ion (Ca2+) more stable than the calcium atom (Ca)?
Twenty electrons are more stable than eighteen electrons.
Eighteen electrons are less stable than twenty electrons.
The two electrons more than the noble gas configuration is more stable.
The noble gas configuration is more stable.
1s2 2s2 2p6
[He]2s2 2p5
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2
Explain why the zinc 2+ ion has some stability.
The zinc ion has achieved a noble gas configuration.
The zinc ion has full s, p, and d sublevels to form a pseudo-noble gas configuration.
The zinc ion is a transition metal.
The zinc ion has bonded with two free electrons.
Which of the following lattice energies represents the strongest force of attraction holding the ions in place?
632
769
910
2142
An ionic compound that will conduct an electric current when it forms an aqueous solution is a(n) _________.
electrolyte
nonelectrolyte
molecular compound
crystal lattice crystal lattice
Ionic crystals have high melting points and high boiling points because ________.
ionic bonds are relatively weak
ionic solids are excellent conductors of electricity
ionic bonds are relatively strong
ionic liquids do not conduct electricity. ionic liquids do not conduct electricity.
In the ionic solid sodium chloride (NaCl), there is a _________ ratio of sodium ions to chlorine ions.
one to two
two to one
one to one
one and a half to one one and a half to one
What is the ionic ratio of aluminum to oxygen in the ionic compound aluminum oxide?
three to one
one to two
three to two
one to three
