Chapter Test 1-3 Flashcards

(35 cards)

1
Q

dissolving salt in water - p or c

A

p or c

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2
Q

iron rusting to produce iron oxide - p or c

A

c

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3
Q

bending clay - p or c

A

p

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4
Q

exploding dynamite - p or c

A

c

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5
Q

oxidation of aluminum - p or c

A

c

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6
Q

wine transforming into vinegar - p or c

A

c

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7
Q

freezing water - p or c

A

p

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8
Q

cutting a piece of paper - p or c

A

p

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9
Q

condescending water - p or c

A

p

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10
Q

combing sodium and chlorine to form salt - p or c

A

c

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11
Q

oxygen is an example of this

A

element

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12
Q

solutions are contained within this category

A

homogenous mixture

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13
Q

water is an example of this

A

compound

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14
Q

a substance that is composed of only one type of atom

A

element

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15
Q

a sugar water mixture in which all the salt has been dissolved

A

homogenous mixture

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16
Q

two different elements chemically combined

17
Q

all of these are located on the periodic table

18
Q

a mixture that is non-uniform

A

heterogeneous mixture

19
Q

oil and water

A

heterogeneous mixture

20
Q

a physical combination

A

homogenous and heterogeneous mixture

21
Q

how hormones are produced in the brain

22
Q

use computers and math to predict the effects of carbon dioxide on the atmosphere

A

theoretical chemistry

23
Q

study of compounds that do not contain carbon

A

inorganic chemistry

24
Q

a forensic scientist identifies the composition of evidence collected at a crime scene

A

analytical chemistry

25
the study of carbon compounds
organic chemistry
26
a student studies the change in temperature when salt is added to water
physical change
27
which property is extensive
mass
28
four darts are thrown at the dartboard and all land close to each other and at the bull's eye
accurate and precise
29
what is qualitative?
deposits are formed from an evaporated liquid (the determination of non-numerical information about a chemical species, a reaction, etc)
30
which observation is quantitative?
water changes temperature by two degrees at 100 degrees Celsius
31
the space that an object takes up is
volume
32
a theory is best described as
seeks to describe the underlying physical phenomena that give rise to chemistry and the properties of atoms, molecules, and materials.
33
the four major states of the scientific method are
observing, formulating hypotheses, testing hypotheses, and theorizing
34
the smallest unit of an element that has the properties of that element is a(n)
atom
35