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71 Cards in this Set

  • Front
  • Back
Identify quantitative or qualitative and why?
The sun is approximately 93 million mi from Earth
Quantitative.
This statement clearly involves a measurable distance
Identify quantitative or qualitative and why?
Leonardo da Vinci was a better painter than Michelangelo
Qualitative.
This is a value judgment. There is no numerical scale of measurement for artistic
excellence.
Identify quantitative or qualitative and why?
Ice is less dense than water
Qualitative.
If the numerical values for the densities of ice and water were given, it would be a
quantitative statement.
Identify quantitative or qualitative and why?
Butter tastes better than margarine.
Qualitative.
Another value judgment
Identify quantitative or qualitative and why?
A stitch in time saves nine
Qualitative.
Even though numbers are involved, they are not the result of measurement
Classify the following as a hypothesis, a law, or a theory:

Beethoven's contribution to music would have been much greater if he had married
hypothesis
Classify the following as a hypothesis, a law, or a theory:

An autumn leaf gravitates toward the ground because there is an attractive force between the leaf and the Earth.
law
Classify the following as a hypothesis, a law, or a theory:

All matter is composed of very small particles called atoms.
theory
Does the following describe a chemical or a physical property?
Oxygen gas supports combustion
Chemical property.
Oxygen gas is consumed in a combustion reaction; its composition and identity are
changed.
Does the following describe a chemical or a physical property?
Fertilizers help to increase agricultural production
Chemical property.
The fertilizer is consumed by the growing plants; it is turned into vegetable matter
(different composition).
Does the following describe a chemical or a physical property?
Water boils below 100*C on top of a mountain
Physical property.
The measurement of the boiling point of water does not change its identity or
composition.
Does the following describe a chemical or a physical property?
Lead is denser than aluminum
Physical property.
The measurement of the densities of lead and aluminum does not change their
composition.
Does the following describe a chemical or a physical property?
Uranium is a radioactive element
Chemical property.
When uranium undergoes nuclear decay, the products are chemically different
substances.
Does the following describe a chemical or a physical property?
The helium gas inside a balloon tends to leak out after a few hours
Physical change.
The helium isn't changed in any way by leaking out of the balloon.
Does the following describe a chemical or a physical property?
A flashlight beam slowly gets dimmer and finally goes out.
Chemical change in the battery.
Does the following describe a chemical or a physical property?
Frozen orange juice is reconstituted by adding water to it
Physical change.
The orange juice concentrate can be regenerated by evaporation of the water.
Does the following describe a chemical or a physical property?
The growth of plants depends on the sun's energy in a process called photosynthesis
Chemical change.
Photosynthesis changes water, carbon dioxide, etc., into complex organic matter
Does the following describe a chemical or a physical property?
A spoonful of table salt dissolves in a bowl of soup
Physical change.
The salt can be recovered unchanged by evaporation
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:
seawater
homogeneous mixture
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:
helium gas
element
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:

sodium chloride (table salt)
compound
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:

a bottle of soft drink
homogeneous mixture
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:

a milkshake
heterogeneous mixture
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:.

air in a bottle
homogeneous mixture
Classify the following as an element, a compound, a homogenous mixture, or a heterogeneous mixture:

concrete
heterogeneous mixture
What is the name of the element represented by the chemical symbol?

Li
Lithium
What is the name of the element represented by the chemical symbol?

F
Fluorine
What is the name of the element represented by the chemical symbol?

P
Phosphorus
What is the name of the element represented by the chemical symbol?

Cu
Copper
What is the name of the element represented by the chemical symbol?

As
Arsenic
What is the name of the element represented by the chemical symbol?

Zn
Zinc
What is the name of the element represented by the chemical symbol?

Cl
Chlorine
What is the name of the element represented by the chemical symbol?

Pt
Platinum
What is the name of the element represented by the chemical symbol?

Mg
Magnesium
What is the name of the element represented by the chemical symbol?

U
Uranium
What is the name of the element represented by the chemical symbol?

Al
Aluminum
What is the name of the element represented by the chemical symbol?

Si
silicon
What is the name of the element represented by the chemical symbol?

Ne
Neon
Give the chemical symbol for the following element:

potassium
K
Give the chemical symbol for the following element:

tin
Sn
Give the chemical symbol for the following element:

chromium
Cr
Give the chemical symbol for the following element:

boron
B
Give the chemical symbol for the following element:

barium
Ba
Give the chemical symbol for the following element:

plutonium
Pu
Give the chemical symbol for the following element:

sulfur
S
Give the chemical symbol for the following element:

argon
Ar
Give the chemical symbol for the following element:

mercury
Hg
Classify the following substance as an element or a compound:

hydrogen
element
Classify the following substance as an element or a compound:

water
compound
Classify the following substance as an element or a compound:

gold
element
Classify the following substance as an element or a compound:

sugar
compound
Bromine is a reddish-brown liquid. Calculaate its density (in g/mL) if 586 g of the substance occupies 188 mL.
Density =

mass / volume :::

586 g / 188 mL = 3.12 g/mL
Express the following number in scientific notation:

0.000000027
2.7 * 10 ^-8
Express the following number in scientific notation:

356
3.56 * 10 ^2
Express the following number in scientific notation:

47,764
4.7764 * 10 ^4
Express the number in scientific notation:

0.096
9.6 * 10 ^-2
What is the number of significant figures in the following measurement?

4867 mi
four
What is the number of significant figures in the following measurement?

56mL
two
What is the number of significant figures in the following measurement?

60,104 ton
five
What is the number of significant figures in the following measurement?

2900 g
two, three, or four
What is the number of significant figures in the following measurement?

40.2 g/cm^3
three
What is the number of significant figures in the following measurement?

0.0000003 cm
one
What is the number of significant figures in the following measurement?

0.07 min
one
What is the number of significant figures in the following measurement?

4.6 * 10^19 atoms
two
How many significant figures are there in the following?

0.006 L
one
How many significant figures are there in each of the following?

0.0605 dm
three
How many significant figures are there in each of the following?

60.5 mg
three
How many significant figures are there in each of the following?

605.5 cm^2
four
How many significant figures are there in each of the following?

960 * 10 ^-3
two or three
How many significant figures are there in each of the following?

6 kg
one
How many significant figures are there in each of the following?

60 m
one or two