atomic systems review. __________________ is anything that has mass and takes up space matter
TRANSCRIPT
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Atomic SystemsAtomic Systems
ReviewReview
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__________________ is __________________ is anything that has mass and anything that has mass and
takes up spacetakes up space
mattermatter
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The tiniest particles of which all The tiniest particles of which all things are made are things are made are
____________.____________.
atomsatoms
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The basic structural The basic structural components of the typical atom components of the typical atom are ___________, _________, are ___________, _________,
and _____________. and _____________.
Protons, neutrons, electronsProtons, neutrons, electrons
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Protons and neutrons comprise Protons and neutrons comprise the _____________ of an atom. the _____________ of an atom.
nucleusnucleus
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______________ have a ______________ have a positive charge. positive charge.
protonsprotons
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_____________ have a _____________ have a negative charge.negative charge.
electronselectrons
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_______________ have no _______________ have no charge at all.charge at all.
neutronsneutrons
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An ______________ is a form An ______________ is a form of matter that is made up of one of matter that is made up of one
type of atom type of atom
elementelement
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The number of __________ in The number of __________ in an atom of an element an atom of an element
determine the type of element.determine the type of element.
protonsprotons
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A(n) _____________ of an A(n) _____________ of an element contains a different element contains a different
number of neutrons.number of neutrons.
isotopeisotope
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The ___________________ The ___________________ organizes the elements by organizes the elements by
atomic mass.atomic mass.
Periodic tablePeriodic table
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Every element is represented by Every element is represented by its __________________.its __________________.
Chemical symbolChemical symbol
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The __________________ The __________________ indicates the number of protons indicates the number of protons
and electrons in element.and electrons in element.
Atomic numberAtomic number
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The ________________ of an The ________________ of an element tells the weighted element tells the weighted
average mass of its isotopes.average mass of its isotopes.
Atomic massAtomic mass
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Use the information on the left Use the information on the left to determine the chemical to determine the chemical symbol for the element.symbol for the element.
66
CCCarbonCarbon
12.010712.0107
CC
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How many protons are How many protons are contained in one atom of contained in one atom of
carbons?carbons?
66
CCCarbonCarbon
12.010712.0107
66
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How many neutrons are How many neutrons are contained in one atom of contained in one atom of
carbon?carbon?
66
CCCarbonCarbon
12.010712.0107
6.01076.0107
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How many electrons are How many electrons are contained in one atom of contained in one atom of
carbon?carbon?
66
CCCarbonCarbon
12.010712.0107
66
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The periods of the periodic table The periods of the periodic table tell the number of tell the number of
_____________ an element _____________ an element has.has.
shellsshells
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_____________ are malleable _____________ are malleable and ductile, generally shiny and and ductile, generally shiny and
good conductors of heat and good conductors of heat and electricity, and most are solid at electricity, and most are solid at
room temperature. room temperature.
metalsmetals
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________________ have ________________ have characteristics of both metals characteristics of both metals
and nonmetals. and nonmetals.
metalloidsmetalloids
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______________ are usually ______________ are usually dull in appearance, most are dull in appearance, most are poor conductors of heat and poor conductors of heat and
electricity, and many are gases electricity, and many are gases at room temperature. at room temperature.
nonmetalsnonmetals
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Two or more atoms of the Two or more atoms of the different elements may combine different elements may combine
to form a ______________. to form a ______________.
compoundscompounds
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What is the chemical formula for What is the chemical formula for salt?salt?
NaClNaCl
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The chemical formula, HThe chemical formula, H22OO2 2
contains what two elements?contains what two elements?
Hydrogen and OxygenHydrogen and Oxygen
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The chemical formula, NaHCOThe chemical formula, NaHCO33
contains how many atoms of contains how many atoms of oxygen?oxygen?
33
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The chemical formula, CaCOThe chemical formula, CaCO33
contains how many atoms of contains how many atoms of calcium?calcium?
11
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A chemical formula represents a A chemical formula represents a _____________ reaction of the _____________ reaction of the
elements involved.elements involved.
chemicalchemical
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The properties of a The properties of a ___________ are different from ___________ are different from those of the elements it is made those of the elements it is made
from.from.
compoundcompound
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When two or more substances When two or more substances (elements or compounds) come (elements or compounds) come
together but don’t combine to together but don’t combine to make a new substance, a make a new substance, a ____________ results. ____________ results.
mixturemixture
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_________________ mixtures _________________ mixtures are the same throughout.are the same throughout.
homogeneoushomogeneous
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You can see the different parts You can see the different parts in a _____________ mixture.in a _____________ mixture.
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The compounds in yellow represent which The compounds in yellow represent which part of the chemical equation?part of the chemical equation?
SOSO33 + + HH22OO HH22SOSO44
reactantsreactants
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The compounds in red represent which part The compounds in red represent which part of the chemical equation?of the chemical equation?SOSO33 + + HH22OO HH22SOSO44
productproduct
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Is the following chemical Is the following chemical equation balanced?equation balanced?
2H2H33AsOAsO44 → As → As22OO55 + H + H22OO
nono
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Don’t forget to study common Don’t forget to study common compounds, balancing chemical compounds, balancing chemical
equations, and predominant equations, and predominant earth elements.earth elements.