Which statement best summarizes the general nature of investigations during the 1800s related to the acquisition and development of knowledge that provided glimpses into the atomic structure of matter?
A) Qualitative observations, influenced by ideas related to magic and mysticism, provide glimpses of the structure of matter.
B) Quantitative measurements of studies of compounds with fire, lead to the formulation of fundamental laws leading to an atomic theory of matter.
C) Electricity played an important role in unraveling the structure of the atom.
D) New experimental and mathematical techniques provided information concerning the organization of subatomic particles in atoms.
Correct Answer:
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Q1: Which experimental observation led scientists to speculate
Q2: An anode is a
A)negatively charged ion.
B)positively charged
Q3: By measuring the deflection of cathode rays
Q4: Which person(s)won two Nobel prizes (one in
Q5: Cathode rays are beams of
A)anions.
B)electrons.
C)neutrons.
D)protons.
Q7: Electrolytes are important substances in the chemistry
Q8: Ions are
A)charged atoms (or groups of atoms).
B)electrons.
C)neutrons.
D)electrodes.
Q9: When combined with Thomson's determination of the
Q10: A stream of electrons in a magnetic
Q11: An anion is a
A)negatively charged ion.
B)positively charged
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