Post on 12-Jan-2016
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Jeopardy CategoriesAll
About
ATOM
Study for the final!!
Period.
We’re Bonding here, aren’t
we?
A MOLE is a Unit!
Number
Cruncher
Chemistry
Matters
100
500500 500500 500
100 100 100 100
1000 1000 1000 100010001000
200
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300 300 300
All About Atom $100
This is the total number of energy levels in the atom and the letter
used to symbolize them.
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7 energy levels
n
All About Atom $200
How many protons, neutrons, and electrons are in a selenium ion?
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Se makes Se-2 ion
34 protons, 45 neutrons, and 36 electrons
All About Atom $300
This is the electron configuration for a calcium ion. (Short or long)
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1s2 2s2 2p6 3s2 3p6
or [Ar]
All About Atom $500
Name the concept that holds the nucleus together and overcomes proton repulsion.
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Nuclear Force
All About Atom $1000
When electrons drop from an excited state down to the ground state, this is given off. Give the specific name of energy given off.
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A photon of light is given off
The Periodic Table - $100
The largest percent of the diatomic molecules are found in this group, with this name.
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Group 7A- Halogens
The Periodic Table - $200
Ca would love to bond with someone in this group. What group?
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Group 6A –
The Oxygen Group
Ex: CaO
The Periodic Table - $300
What does Boron do to achieve a Noble Gas electron configuration?
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Lose 3 electrons
The Periodic Table - $500
This group has the second lowest ionization energy.
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Group 2 – Alkaline Earth MetalsLowest: Alkali metals
The Periodic Table - $1000
Why does atomic size/radii decrease as you move from left to right across a Period?
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Shielding: # Protons increase, Pulling electrons tighter.e- stay at same energy level
We’re Bonding here, aren’t we?
- $100When Ba and N form a compound, this
is the correct formula and name:
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Ba3N2
Barium nitride
We’re Bonding here, aren’t we?
- $200This category of elements:
- loves to bond with metals
- are dull and brittle
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nonmetals
We’re Bonding here, aren’t we?
- $300List the three types of bonds in order of
increasing bond strength.
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Covalent < Metallic < IONIC
We’re Bonding here, aren’t we?
- $500 This is the Lewis Structure for
carbonate, its shape, polarity and bond angle.
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[C in middle, 3 O’s around]Trigonal planar shapeNonpolar120°
We’re Bonding here, aren’t we?
- $1000This is how an ionic compound is formed from two atoms and what is given off as a result.
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1.A metal transfers an electron(s) to a nonmetal forming a cation and an anion.
2.The two ions form a bond through electrostatic attraction and energy is given off.
A Mole is a Unit - $100
True or False: A mole of marbles weighs the same as a mole of bricks.
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FALSE
A Mole is a Unit - $200
Which of the following is an Empirical Formula?
a) C5H10 b) C3H8 c) C4H12
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b) C3H8
A Mole is a Unit - $300
How do you calculate the number of grams of a substance when given the number of atoms?
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1) Divide by Avogadro’s #
2) Multiply by Molar Mass
A Mole is a Unit - $500
What is “n”? (not referring to principal energy level)
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The ratio of the molecular formula to the empirical formula
A Mole is a Unit - $1000(3 minutes time)
What is the empirical and molecular formulas for a compound that is:
40.0% C, 6.67% H, and 53.3% Oand has a molar mass of 180 g/mol.
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E.F. is CH2OM.F. is C6H12O6
Number Cruncher - $100
What am I when I am written
in scientific notation?
0.00000034
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3.4 x 10-7
Number Cruncher - $200
Using appropriate number of significant figures, answer:
32.385 cm + 523.1 cm + 5.6 cm
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4 sig figs (1 decimal)….
561.1 cm
Number Cruncher - $300
How many lone pairs of electrons are on the central atom of a PBr3 molecule?
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1 lone pair
Number Cruncher - $500What is the mass number and atomic
number of a positron, neutron, alpha particle, beta particle and gamma ray?
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Positron: 0, 1 Neutron: 1,0Alpha: 4, 2 Gamma: 0, 0 Beta: 0, -1
Number Cruncher - $1000
What is the percent composition of nitrogen in ammonium phosphate?
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(NH4)3PO4
42.03 g N x 100 = 28.2% N149.03 g compound
Chemistry Matters! - $100
This is the SI unit for temperature and the SI unit for quantity.
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Kelvin
Mole
Chemistry matters! - $200
My number is _________ if it is very close to the true value.
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Accurate
Chem is Cool! - $300
The following equation is an example of this type of nuclear decay:
Th Pa + _____
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0 e-1 Beta decay
23490
23491
Chemistry Matters! - $500List all of the scientists who made
significant contributions to the current theory of the atom. List them in correct order, with their experiment and what they discovered.
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Democritus, Dalton, Thomson, Rutherford, Bohr