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Noble Gases and Halogens

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Questions and Answers

What is a consequence of a greater effective nuclear charge in noble gas atoms?

They are somewhat smaller than the neighboring halogen atoms (correct)

They have weaker electronegativities than the halogens

They have lower ionization energies than the halogens

They are larger than the neighboring halogen atoms

Why are the high electronegativities predicted for the noble gases reasonable?

Because the noble gas atoms have lower ionization energies than the halogens

Because the noble gas atoms are larger than the neighboring halogen atoms

Because the noble gas atoms have weaker electronegativities than the halogens

Because the noble gas atoms have a strong attraction on electrons of neighboring atoms (correct)

What is true about the ionization energies of the noble gases compared to the halogens?

They are dependent on the neighboring atoms

They are similar

They are higher (correct)

They are lower

What is a characteristic of the noble gas atoms that leads to their high electronegativities?

Stronger effective nuclear charge Signup and view all the answers

What is true about the electronegativities of the noble gases compared to the halogens?

They match or even exceed those of the halogens Signup and view all the answers

What is the primary way that the main group elements complete their electron configurations?

Filling their s and p valence orbitals Signup and view all the answers

Which group of elements is characterized by high ability to conduct heat and electricity, and malleability?

Alkali metals and alkaline earths Signup and view all the answers

What is plotted in Figure 8.1?

Electrical resistivities of the solid main group elements Signup and view all the answers

What is a characteristic difference between metals and nonmetals?

Ability to conduct electricity Signup and view all the answers

What type of elements have localized electrons and covalently bonded pairs that are less mobile?

Nonmetals Signup and view all the answers

What is a common characteristic of elements along the diagonal from boron to polonium?

A mix of metallic and nonmetallic properties Signup and view all the answers