What is the property most closely associated with the
process of distillation?
100
NONMETALS
What category of elements appears in the upper right
corner of the Periodic Chart?
100
COMPOUNDS
What category has a definite ratio of elements by mass
and only separates by the process of decomposition?
100
26
What is the atomic number for iron?
200
FLAMMABLE
What is the red diamond on 704M label?
200
AMMONIA, WATER, DRY ICE, WATER, MOTH BALLS,
GASOLINE, E CIGARETTES
[ANY four of these are acceptable]
What are four substances that can form vapors?
200
METALS
What category of elements appears on the left side and
in the middle of the Periodic Chart?
200
MIXTURES
What category can vary the amount of each material with
each keeping its own properties and separates by the
processes of filtration, centrifugation, distillation, and
chromatography?
[ANY two of the processes]
200
32.066
What is the mass number for sulfur?
300
Pour with label away from receiving container
What is the correct way to pour a chemical?
300
CHEMICAL CHANGE
What type of change describes a rusty shovel or a highly
flammable material?
300
METALLOIDS
What category of elements appears along either side of
the staircase in the Periodic Chart?
300
LAW of DEFINITE COMPOSITION
What law best illustrates the fact that dinitrogen pentoxide
is 25.9% nitrogen and 74.1% oxygen?
[ EXACT percentages are not required]
300
19 p+
What is the number of protons in one atom of potassium?
400
IRRITANT
What is the term producing local inflammation and discomfort
in the nasal passages and eyes?
400
PHYSICAL CHANGE
What type of change describes melting wax or
alcohol evaporating?
400
NOBLE GASES
What category of elements appears in the far right vertical
column of the Periodic Chart?
400
MIXTURES
What material best describes baking powder, granite,
concrete, and gasoline?
400
29 e-
What is the number of electrons in one atom of copper?
500
CHLORAMINE
What is the gas formed if bleach accidentally mixes with
household ammonia?
500
CENTRIFUGATION
What process separates whole blood into plasma,buffy coat
with white cells, and red blood cells?
500
ARSENIC, ANTIMONY, SILICON, GERMANIUM
[ANY two of these]
What elements appear as metalloids in the Periodic Chart?
500
TRAIL MIX, CHICKEN NOODLE SOUP, GRANITE
[ANY two of these acceptable]
What substances are heterogeneous mixtures?
500
Ag 108 - 47 = 61n
What is the number of neutrons present in one atom of
silver?