Monday, December 8, 2014

12/8/2014

Test Thursday!

Unit 1


Experiment design (independent variable, dependent variable, control, constants)
Elements, compounds, mixtures, and solutions
Physical and Chemical Changes
Energy
Qualitative and Quantitative Measurements
Accuracy, Precision, Certainty
Metric Conversions
Scientific Notation
Lab Equipment


Bingo Review Game

Thursday, November 20, 2014

11/20/14

Welcome to Chemistry! 

Important things for week 1-

  • Lab Safety Contract due Monday (11/24)
  • Index Cards for Friday (11/24)
  • Sign up for Remind 101- Text message alerts


Friday, November 14, 2014

Final Exam Info

•Charge mass and location of protons, neutrons and electrons
•X model
•Charge of the nucleus
•What is an ion?
•What is an isotope?
•Metals/nonmetals
•What is an ionic bond?
•What is a covalent bond
•What is a polyatomic ion?
•When do we use prefixes in naming?
•Why are roman numerals used in naming?
•Electron configuration
•Valence electrons
•Percent composition
•Mole train

•You will want your colored PT! 

11/14/14

Exam Review Answers:
1.  29
2.  80
3.  proton
4.  empty space
5.  22
6.  electrons
7.  protons
8.  chlorine
9.  metals
10. Cesium
11. ionic
12. Sodium Nitrate
13. Carbon
14. Radio
15. Sodium
16. 1000 nm
17.  Halogens
18.  Triple
19.  CaCO3
20.  Nonmetals
21. 6.02 x 10^23
22. 9
23. 1 mole
24. 6.02 x 10^23
25. +1
26. Fluorine
27. YES!

Wednesday, November 12, 2014

Test tomorrow!


Test Questions:

1. The compound Ba3(PO4)2  contains _____ atoms.
       

2.  The compound Ba3(PO4)2  is made from _______ elements.
       

3. The compound Ba3(PO4)2  is considered to be an atom, molecule or formula unit?

4. A 20.0 ounce bottle of FAYGO “Rock ‘n’ Rye is how many milliliters?

20.0 fl. oz  x   ______ pt  x ________qt x _________mL =   ________ mL
                                    fl.oz                 pt                        qt



 Some useful info could be: 
(16 fl.oz. = 1 pt); (453.6 g = 1 lbs); (946.3 mL = 1 qt); (1 in = 2.54 cm);
(16 oz. = 1 lbs.); (2 pts = 1 quart)


Answers
1. 13
2. 3
3.Formula unit
4.  591


What is the percentage of each element in Magnesium Carbonate MgCO3 ?
( The total mass is 84)


                     


11/12/14

Unit 4 Test tomorrow!
Things to know:

Dimensional analysis
Counting atoms
Atoms, molecules, formula units
Molar Mass
The Mole
Mole Train
Percent Composition


You can use your periodic table, calculator, and pink conversion sheet with one page of notes on the back.

Friday, November 7, 2014

11/7/14

Extra Credit Mole due on Monday 11/10!

Unit 4 Test- Thursday 11/13!


Sunday, October 26, 2014

10/26/14

Unit 3 Test on Tuesday!


  • Electron Configuration
  • Electron Diagrams (arrows)
  • Valence Electrons
  • Ionic Bonding and Naming
    • Metal + Non metal
    • Find the charge on atoms
    • Cross over method
    • Roman Numerals
    • Polyatomic ions
  • Covalent Bonding and Naming
    • Non metal + Non metal
    • Prefixes
    • Draw molecules (model lab)

Practice Questions:

1. Covalent bonding, for example in water, results in                                   .
2. The roman numeral in Copper(II) Chloride represents what?
3. What is the charge on the halogens?







Answers:  
1. a molecule
2. the charge on the metal Copper
3. -1

More practice: 


Element
e- configuration
Valence Electrons
Charge
Li





Electron Diagram for Sulfur:


Tuesday, October 21, 2014

10/21/14

Quiz Tomorrow!
  • What is the correct name for the compound Na3P?
  • What elements need a roman numeral?
  • What is the formula for Lithium Oxide?

Tuesday, September 30, 2014

9/30/14

Quiz Tomorrow!

Things to know:


  • Alpha, Beta, and Gamma rays- What can they penetrate?



  • Show nuclear reactions when an alpha particle is emitted.
  • Show nuclear reactions when a beta particle is emitted.
  • Answer questions about the following graph



Monday, September 29, 2014

9/29/14

This week:

Dalton Hypothesis due on Tuesday 9/30
Quiz Wednesday!


Juniors- The practice ACT is Thursday 10/2!

Wednesday, September 24, 2014

9/24/14


Quiz tomorrow!

Things you can use on the quiz-


  • History of the Atom notes
  • Isotope worksheet
  • Penny lab
  • PERIODIC TABLE
Things to know for the quiz-
  • How to find the atomic number
  • How to find the atomic mass
  • How to determine the number of protons, neutrons and electrons in an atom
  • How to write the X model for a specific atom
  • What an isotope is
  • What the problems were with Dalton's hypothesis  

Wednesday, September 17, 2014

9/17/14

This Week!

Unit 1 Test Review due Thursday 9/18

Unit 1 Test on Friday 9/19

Monday, September 8, 2014

9/8/14

Important things for Week #2:

Element worksheet due on Wednesday (9/10)

Study your flashcards- Element Quiz on Thursday (9/11)

Elements to know:  1-20; 26, 28, 29, 30, 35, 47, 50, 52, 56, 78, 79, 80, 82, 86, 92, 94