Modified True/False
Indicate
whether the statement is true or false. If false, change the identified word or phrase to make the
statement true.
|
|
|
1.
|
Light from a glow stick is a sign of a chemical change.
____________________
|
|
|
2.
|
Noting that iron rusts rapidly when exposed to moisture and salt is an
observation of a physical property of iron. ____________________
|
|
|
3.
|
Elements that lie on the left side of the periodic table are generally
non-metals. ____________________
|
|
|
4.
|
Other than hydrogen, an element that is a gas at room temperature must be a
non-metal. ____________________
|
|
|
5.
|
Atoms are electrically neutral because they contain equal numbers of protons and
neutrons. ____________________
|
|
|
6.
|
If an atom is only one electron away from having a full outer orbit, it is
likely a non-metal. ____________________
|
|
|
7.
|
In an anion, the number of protons is equal to the number of electrons.
____________________
|
|
|
8.
|
The diagram shows a cation. ____________________ 
|
|
|
9.
|
The correct chemical formula for the compound sodium nitride is
Na3N. ____________________
|
|
|
10.
|
The correct chemical formula for the compound lithium phosphate is
LiPO4. ____________________
|
|
|
11.
|
The diagram shows the formation of a covalent bond between hydrogen
atoms. ____________________ 
|
|
|
12.
|
The correct name for the compound CBr4 is carbon dibromine.
____________________
|