what is chemistry? it "matters!" measure- ments scientific method sig figs atomic theory...
TRANSCRIPT
What is Chemistry?
It "Matters!"Measure-
mentsScientific Method
Sig FigsAtomic Theory
$100 $100 $100 $100 $100 $100
$200 $200 $200 $200 $200 $200
$300 $300 $300 $300 $300 $300
$400 $400 $400 $400 $400 $400
$500 $500 $500 $500 $500 $500
Periodic Table
Electron Configs
BondingNames & Formulas
Lewis Dots & VSEPR
Grab Bag!
$200 $200 $200 $200 $200 $200
$400 $400 $400 $400 $400 $400
$600 $600 $600 $600 $600 $600
$800 $800 $800 $800 $800 $800
$1000 $1000 $1000 $1000 $1000 $1000
Final Jeopardy
Periodicity
What are ionization energy and electronegativity?
One of two chemical properties that tend to be
highest in the upper right of the periodic table and lowest
in the lower left.
Final Jeopardy
$100
What is a physical change?
The kind of change in which no new substance is formed.
What is Chemistry?
$200
What is the Law of Conservation of Mass?
States that matter cannot be created or destroyed.
What is Chemistry?
$300
What is a chemical change?
The kind of change in which one or more new substances
is formed.
What is Chemistry?
$400
What is nuclear fusion?
This process releases tremendous amounts of energy
as more than one nucleus merge to form a larger atom.
What is Chemistry?
$500
What is the First Law of Thermodynamics or the Law of Conservation of Energy?
The law that states that energy can change forms, but
cannot be created or destroyed.
What is Chemistry?
$100
What is exothermic?
A reaction that gives off heat is called this.
It "Matters!"
$200
What is a pure element?
A substance made of one kind of atom.
It "Matters!"
$300
What is heterogeneous?
A mixture in which the substances are not evenly
distributed.
It "Matters!"
$400
What is liquid?
The physical state of a substance in which volume is
fixed, but shape is not.
It "Matters!"
$500
What is absolute zero?
The name given to the point when molecular motion
essentially stops.
It "Matters!"
$100
What is precision?
The reproducibility of a measurement.
Measurements
$200
What is 6.02 x 1023?
Avogadro’s number.
Measurements
$300
What are significant figures?
These indicate the level of accuracy of the measurement.
Measurements
$400
What is centi-?
This prefix means one hundredth.
Measurements
$500
What is 1,000?
The number of milliliters in a liter.
Measurements
$100
What are experiments?
These are carried out to collect information.
Scientific Method
$200
What is a hypothesis?
Daily Double
Scientific Method
$300
What are data?
The information collected during experimentation.
Scientific Method
$400
What is the control group?
The group used as a basis for comparison in a good
experiment.
Scientific Method
$500
What is the independent variable?
The variable deliberately being manipulated in an
experiment.
Scientific Method
$100
What is 1160?
The following number expressed in standard form:
1.16 x 103
Sig Figs
$200
What is one?
The number of significant figures in the number 0.0002.
Sig Figs
$300
What is 4.3 x 10-4?
The following number expressed in scientific
notation: 0.000 43
Sig Figs
$400
What is three?
The number of significant figures in the number 6.00.
Sig Figs
$500
What is four?
The number of significant figures in the number:
100,200
Sig Figs
$100
What are electrons?
Ions are formed when atoms gain or lose these.
Atomic Theory
$200
What are isotopes?
Atoms of the same element with different atomic masses.
Atomic Theory
$300
What is the number of protons?
It is what is represented by the atomic number.
Atomic Theory
$400
What are protons and neutrons?
The atomic mass is the sum of these two subatomic
particles.
Atomic Theory
$500
What is O2-?
It’s an ion that contains 8 protons, 8 neutrons, and 10
electrons.
Atomic Theory
$200
What are alkaline earth metals?
This group of elements on the periodic table have electron configurations ending with 2
electrons in their outer s orbitals.
Periodic Table
$400
What are groups (or families)?
The name for the vertical columns on the periodic
table.
Periodic Table
$600
What are transition metals?
The elements in the d-block on the periodic table are also
known by this name.
Periodic Table
$800
What is hydrogen?
The only element that does not belong to a group is this.
Periodic Table
$1000
What are periods?
The name for the horizontal rows on the periodic table.
Periodic Table
$200
What is phosphorus?
It’s last electrons fall into the 3p3 orbital.
Electron Configs
$400
What is an orbital?
The region within an atom where there is a high
probability of finding an electron.
Electron Configs
$600
What are p-orbitals?
These orbitals can contain no more than 6 electrons total.
Electron Configs
$800
What is the 3rd energy level?
It’s the first energy level to have a d-orbital.
Electron Configs
$1000
What are valence electrons?
It’s what we call the electrons in an atom’s outermost s- and
p-orbitals.
Electron Configs
$200
What is an ionic bond?
This type of bond involves the attraction between
oppositely charged particles due to the exchange of one or
more electrons.Bonding
$400
What a cation?
It’s another name for a positively charged particle
(not sub-atomic).
Bonding
$600
What are covalent bonds?
Daily Double
Bonding
$800
What is polar?
Covalent bonds in which the electrons are shared
unequally are called this.
Bonding
$1000
What are salts?
These types of compounds are the result of ionic bonds
(usually between a metal and a nonmetal).
Bonding
$200
What is tetra?
It’s the molecular prefix for the number 4.
Names & Formulas
$400
What is sulfur trioxide?
It’s the name for the following compound:
SO3
Names & Formulas
$600
What is the charge of the metal?
When writing the name of an ionic compound containing a
transition metal, a Roman Numeral must be included in the name to indicate what?
Names & Formulas
$800
What is Pb(SO3)2?
It’s the formula for the following compound:
lead (IV) sulfite
Names & Formulas
$1000
What is NH4C2H3O2?
It’s the formula for ammonium acetate.
Names & Formulas
$200
What is the octet rule?
It’s the rule that says that atoms are most stable when
their s- and p-orbitals are full (containing 8 electrons).
Lewis Dots & VSEPR
$400
What are lone (or unshared) pairs?
Electrons in a compound can be part of bonds or these,
both of which influence the shape of the molecule.
Lewis Dots & VSEPR
$600
What is bent?
A compound whose central atom is bonded to 2 other
atoms and has 2 lone pairs has a molecular geometry of this.
Lewis Dots & VSEPR
$800
What is trigonal bipyramidal?
This molecular shape is an exception to the octet rule and is an example of an expanded octet,
since the central atom has 10 rather than 8 electrons around it.
Lewis Dots & VSEPR
$1000
What is tetrahedral?
The electron geometry for the molecule OF2 is this.
Lewis Dots & VSEPR
$200
What is the atomic radius?
This is half the distance between two bonded atoms.
Grab Bag!
$400
What is malleability?
Daily Double
Grab Bag!
$600
What are physical changes?
Melting, cutting, dissolving, and freezing are examples of
this type of change.
Grab Bag!
$800
What is conductivity?
This property of metals refers to their ability to transfer heat
and electricity.
Grab Bag!
$1000
What is electronegativity?
It’s the relative ability of an atom to attract electrons to
itself.
Grab Bag!
Daily Double
What is a hypothesis?
An educated guess, based on observed facts.
Daily DoubleWhat is malleability?
This property of metals refers to the fact that they can be
hammered into sheets.
Daily Double
What are covalent bonds?
These bonds involve sharing of electrons between two atoms.
The Jeopardy champion!