Science 6 Chapter 3 Test Set B Question Preview (ID: 39352)


Atoms And Chemical Bonding. TEACHERS: click here for quick copy question ID numbers.

A low melting point is one property of molecular compounds.
a) True
b) False
c)
d)

A nonpolar bond is formed when two atoms share electrons unequally.
a) True
b) False
c)
d)

When electrons are transferred between two atoms, a covalent bond is formed.
a) True
b) False
c)
d)

Orderly crystal shapes, high melting points, and electrical conductivity when dissolved in water are properties of ionic compounds.
a) True
b) False
c)
d)

The properties of metals can be explained by the structure of and the bonding between metal atoms
a) True
b) False
c)
d)

A metal crystal consists of positively charged metal ions embedded in a sea of freely moving
a) anions
b) cations
c) valence electrons
d) protons

Because the electrons in hydrogen fluoride are pulled more strongly by the flourine atom, we say that the molecule is
a) nonpolar
b) polar
c) double bonded
d) triple bonded

Molecular compounds that dissolve in water do not conduct electricity because there are no _________ present.
a) charged particles
b) protons
c) electrons
d) atoms

Solid metals are good conductors of heat and
a) electricity
b) energy
c) luster
d) ductility

Ionic compounds that dissolve in water conduct electricity because what are able to move freely?
a) electrons
b) ions
c) molecules
d) crystals

Carbon dioxide is an ionic compound.
a) True
b) False
c)
d)

Dihydrogen monoxide is another name for water.
a) True
b) False
c)
d)

Molecular compounds have shiny luster.
a) True
b) False
c)
d)

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