Unit 8 Chemistry

Periodic Table

100

What is the atomic number of Krypton?

36

200

How many electrons would Lithium have?

3

300

How many valence electrons would Aluminum have?

3

400

How many neutrons would Boron have?

11-5 = 6 neutrons

500

What element's bohr diagram has 2 electrons in the first energy level, 8 in the second, and 1 in the third?

Na (Sodium atomic number 11)

LOCOM

100

H_{2 +} O -----> H₂O

Balanced or unbalanced?

_{If not balanced, Extra points if you can list the correct coefficients}

Balanced!

200

CH₄+ 2O₂ ------> CO₂ + H₂O

_{If not balanced, Extra points if you can list the correct coefficients}

Unbalanced (Reactants have 4H and 4 O/ Product have 2H and 3O)

Correct coefficients: 1,2,1,2

300

If the reactants mass is 1.5g and the products mass is 1.7g, is the LOCO mass satisfied?

NO, the mass needs to stay the same on both sides

400

2NaCl + F₂ ----------> NaF + Cl₂

_{If not balanced, Extra points if you can list the correct coefficients}

Unbalanced

Correct coefficients, 2,1,2,1

500

C₇H₁₆ + 11O₂ ----------> 7CO₂ + 8H₂O

_{If not balanced, Extra points if you can list the correct coefficients}

Balanced!

Coefficients and Subscripts

100

Find number of molecules:

6C₇H₅ 

6

200

Find number of Carbon:

10NaC₇H₆O₂

C = 70

300

Find total atoms:

2C₄H₆O₂

C= 8

H = 12

O = 4

Total = 24

400

Find number of hydrogen:

7CH₃COOH

H= 21 + 7 = 28

500

Find number of Carbon in total equation:

7CO₂ + 10C₈H₇OH

C= 7 + 80 = 87

Definitions

100

Negatively charged particles

Electrons

200

substances made of only one kind of atom

Elements

300

In a chemical formula for a molecule, this number gives the number of atoms of each element.

Subscript 

400

Data using NUMBERS–

    Amounts or MEASUREMENTS!

Quantitative Data

500

The creator of the Periodic Table

Dmitri Mendeleev

Ms. Egan Facts

100

Ms. Egan's favorite saying in class

SIT DOWN (Or anything that made me laugh)

200

Favorite type of food (From what country)

Japanese 

300

Favorite character in Shrek

Fiona

400

Would Ms. Egan rather a sweet or salty snack?

Salty

500

Who is coming to see Ms. Egan this weekend? 

Mom and Dad :) (Mr. and Mrs. Egan)