Covalent Bonding II Question Preview (ID: 955)


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Which elements can form diatomic molecules joined by a single covalent bond?
a) hydrogen only
b) halogens only
c) halogens and members of the oxygen group only
d) hydrogen and the halogens only

A molecule with a single covalent bond is
a) CO2
b) Cl2
c) CO
d) N2

In which of the following compounds is the octet expanded to include 12 electrons?
a) H2S
b) PCl3
c) PCl5
d) SF6

Which of the following bonds is most polar?
a) H-Cl
b) H-P
c) H-Si
d) H-H

What property determines how much negative charge an element will have in a covalent bond with hydrogen?
a) atomic radius
b) ionization energy
c) melting point
d) electronegativity

What is the shape of a water molecule?
a) bent
b) linear
c) tetrahedral
d) trigonal planar

How many bonds can carbon form?
a) 1
b) 2
c) 3
d) 4

Which of the following compounds will undergo hydrogen bonding?
a) H2S
b) CH4
c) NH3
d) NaH

Which of the following intermolecular forces is the strongest?
a) dispersion forces
b) dipole interactions
c) hydrogen bonding
d) covalent attraction

Which of the following types of solids has the highest melting point?
a) metals
b) nonmetals
c) ionic solid
d) network solid

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