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Sugar is made up of clear, colorless crystals that dissolve easily in water, but the crystals and their solution do not conduct electricity. Which statement describes sugar?

A
It is made up of atoms that are held together by covalent bonds.
B
It is made up of atoms that are held together by weak ionic bonds.
C
It is made up of atoms that are held together by metallic bonds.
D
It is made up of atoms that are held together by strong ionic bonds.
4

Which of these is a property of a substance that is composed of atoms that are held together by metallic bonds?

A
It does not conduct electricity.
B
It can be flattened and bent.
C
It cannot be shaped into wires.
D
It has a low melting point.
6

Which statement is generally true about CaCl sub 2 ?

A
It has only covalent bonds between the atoms.
B
Its bonds are formed by large differences in electronegativity.
C
It has only metallic bonds between the atoms.
D
Its bonds are formed by small differences in electronegativity.
7

Which statement describes how the bond between two oxygen atoms is formed?

A
by the attraction of two oppositely charged ions
B
by sharing valence electrons with many other atoms
C
by sharing valence electrons between the two atoms
D
by the repulsion between ions of like charges
8

Which statement explains why the bonds between nonmetals tend to be covalent?

A
They have large differences in electronegativity.
B
The bonds are found to be nondirectional.
C
They have small differences in electronegativity.
D
They have ions that produce an electrostatic pull.
9

What will most likely happen when two bromine atoms bond together?

A
A covalent bond will hold them together.
B
The atoms will become less stable.
C
An ionic bond will hold them together.
D
A metallic bond will hold them together.
10

Which statement describes the valence electrons in ionic bonds?

A
They are shared equally between two atoms.
B
They are transferred from one atom to another.
C
They are shared among many atoms.
D
They are shared unequally between two atoms.

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