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

Remind 101 Sign up

Syllabus

Lab Safety Contract

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!

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.

11/7/14

Extra Credit Mole due on Monday 11/10!

Unit 4 Test- Thursday 11/13!