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Genchem 1
Genchem2
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Cards (100)
When
analysing markets
, a range of assumptions are made about the rationality of economic agents involved in the transactions
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The Wealth of Nations was written
1776
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Rational
(in classical economic theory) economic agents are able to consider the outcome of their choices and recognise the net benefits of each one
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Producers act rationally by
Selling
goods/
services
in a
way
that maximises their profits
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Workers act rationally by
Balancing welfare at work with consideration of both pay and benefits
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Governments act rationally by
Placing the interests
of the people they serve first in
order to maximise their welfare
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Rationality in classical economic theory
is a flawed assumption as people usually don't act rationally
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If you
add up marginal utility
for each unit you get
total utility
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This module was designed and written with you in mind. It is here to help you master the nature of
Chemistry
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The
scope
of this module permits it to be used in many different learning situations
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The
language
used recognizes the diverse vocabulary level of students
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The lessons are arranged to follow the
standard sequence
of the course
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The module is divided into three lessons
Lesson 1 -
Atomic Structure
Lesson 2 -
Chemical and Structural Formulas
Lesson 3 -
Chemical Nomenclature
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An atom has a mass number of
23
and atomic number
11
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Mass number
The number of protons and neutrons in the nucleus of an atom
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Atomic number
The number of protons in the nucleus of an atom
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An atom with a mass number of 23 and atomic number 11 has
11 protons
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Particles that make up the mass number of an atom
Protons
Neutrons
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An atom with
28
protons,
28
electrons, and
34
neutrons has a mass number of
62
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Nucleus
The central region of an atom that contains protons and neutrons and accounts for almost all of the mass of an atom
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Isotopes of the same element differ in their mass
number
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The
molecular model
represents the compound C2H5Br
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Molecular formula
The formula that shows the number and type of atoms in a molecule
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Structural formula
The formula that shows how the atoms in a molecule are arranged
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The 80Br1- ion has
35
protons,
45
neutrons, and
36
electrons
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Binary compound
A compound composed of two different elements
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The binary compound formed from barium ions and fluoride ions is
BaF2
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Chromium
(
III
)
nitrite
The chemical formula is Cr(NO2)3
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Calcium phosphate
The chemical formula is Ca3(PO4)2
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(NH4)2SO3
The name is
ammonium sulfite
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Fe2O3
The systematic name is iron (III) oxide
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CoCl3
The systematic name is cobalt (III) chloride
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SO32-
(aq)
The chemical name is
sulfite ion
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H2SO3
(
aq
)
The chemical name is sulfurous acid
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Atoms
are the smallest units of matter which have all the properties of an element
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Atoms
are composed of protons, neutrons, and electrons
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Proton
A positively charged particle found in the nucleus of an atom
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Neutron
A neutral particle found in the nucleus of an atom
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Electron
A negatively charged particle found orbiting the nucleus of an atom
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The nucleus of an atom is composed of
protons
and
neutrons
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