問題一覧
1
Branches of pure substance
elements and compounds
2
can be observed without changing the composition of substance
physical properties
3
Spontaneous
non purposeful
4
promising beginning of development
iatrochemistry
5
produced when clouds of Bosons is cooled to temperature very close to absolute zero.
bose Einstein condensate
6
Matter is made up of _____
atom
7
takes the shape of container. But no definite volume. The particles are farther apart than those in liquid.
gas
8
matter, space, and has mass. solid, liquid, and gas.
physics
9
Vis vitalis
life force
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all discoveries were casual, non-purposeful nature of everyday importance.
spontaneous
11
formed by heating and Ionizing a gas. It is made up of groups of positive and negative charges, they have neither a definite volume nor shape. Often observed in lighting and comet tails.
plasma
12
Iatro is a greek word which means
physician or healer
13
Iatrochemistry means _____
medicine
14
Solid
compact
15
study of elements and chemicals
chemistry
16
the study of the nature, properties, and composition of matter, and how these undergo changes.
chemistry
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refers to the closeness of measurements within the set of data
precision
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Gas
not compact
19
components are not evenly distributed in the sample, and can be physically identified.
heterogeneous
20
has indefinite shape but has definite volume. Particles and close to one another but not in rigid and solid manner and they can slide past cach other.
liquid
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Classification of matter
pure substance and mixtures
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Appearance is uniform throughout the sample
homogeneous
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A German chemist known for his work in both organic and inorganic chemistry, being the first to isolate the chemical elements beryllium and yttrium in pure metallic form.
fredrich wohler
24
indicates how close a measurement is to true or to the accepted value.
accuracy
25
are characteristics that can be observed with accompanying change in the chemical composition of the substance,
chemical properties
26
Elements of mixtures
homogeneous and heterogeneous mixtures
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Study of chemical and compounds
chemistry
28
What is organic chemistry
structure, properties, composition, reactions, and preparation of carbon containing compounds
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Composed of 2 or more elements combined chemically in definite proportion.
compounds
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depends on the amount if matter
extensive properties
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vis vitalis mean "life force" by John Baron
iatrochemistry
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have definite shape and volume. The particles are tightly packed together and incompressible. How it expands slightly when heated
solid
33
Occupies space and has a mass and volume
matter
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Origin of organic chemistry
spontaneous, iatrochemistry, modern chemistry
35
A school of thought of the 16th and 17th centuries which sought to understand medicine and physiology in terms of chemistry.
iatrochemistry
36
plays an important part in all of the other natural sciences, basic, and applied. Plants growth and metabolism, the formation of igneous rocks, the role played by ozone in the atmosphere, the degradation of environmental pollutants, the properties of lunar soil, medical action of drugs, establishment of forensic evidence: none of these can be understood without the knowledge and perspective provided by ______
chemistry
37
Who contributed to the beginning of the collapse of his teacher's theory.
fredrich wohler
38
The period of development until the XIV century, called
spontaneous
39
Simplest type of matter that is composed of only one kind of atom
elements
40
Liquid
irregular shape