Section 6.1:
Atoms and Their Interactions
1.
__________ results when a multiple substances are combined, with each substance keeping its individual properties.
a.
An atom
b.
A mixture
c.
An ion
d.
A solution
Hint
2.
Which of these symbols represents copper?
a.
Cu
b.
Co
c.
Ca
d.
Cl
Hint
3.
According to the table, which of these is NOT considered a trace element?
a.
oxygen
b.
boron
c.
iron
d.
cobalt
Hint
4.
Which element does this figure represent?
a.
neon
b.
carbon
c.
sodium
d.
hydrogen
Hint
5.
Substances such as lemon and tomato, with a pH __________, are considered acidic.
a.
above 7
b.
equal to 0
c.
below 7
d.
equal to 14
Hint
