honors chemistry fall semester
DESCRIPTION
JEOPARDY REVIEW. Honors Chemistry Fall Semester. Jeopardy Categories. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 500. 500. 500. 500. 500. 500. 1000. 1000. 1000. 1000. 1000. 1000. All About Atom $100. - PowerPoint PPT PresentationTRANSCRIPT
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
300
200
300
200
300
200
500
200 200
100
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
Chem is Cool! - $1000
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Write the net ionic equation for a reaction between lead acetate and sodium chloride. How many spectator ions are in this chemical reaction?
Pb+2(aq) + 2 Cl-
(aq) PbCl2(s)
2 spectator ions (Na+ and C2H3O2-)