Completion Use this completion exercise to check your understanding of the concepts and terms
that are introduced in this section. Each blank can be completed with a term, short
phrase, or number,
1.
2.
Solids tend to be dense and difficult to They do not
flow or take the shape of their containers, like liquids do, because
the particles in solids vibrate around 2 points. When a solid
is heated until its particles vibrate so rapidly that they are no longer
held in fixed positions, the solid
3
The
4
is the
3.
4.
5.
6.
temperature at which a solid changes to a liquid. The melting and
5
7.
of a substance are at the same temperature. In general,
Pension Paceman, lek. publisargus Pearson Pombe Hal. A nights seserved
6
8.
Lonic solids tend to have relatively
melting points, while
9.
molecular solids tend to have relatively low melting points. Most
7
10.
solids ane
The partides are arranged in a pattern known
8
as a crystal
The smallest subunit of a crystal lattice
DISTRICT 186
9
Some solids lack an ordered internal structure
... Cac
and are called