Name: ______10/19/15

DO NOW

Fill in the blanks to complete the Law of Conservation of Mass:

______cannot be ______or ______in a chemical reaction.

***Use your notes on page 51 to help you.

Name: ______10/19/15

DO NOW

Fill in the blanks to complete the Law of Conservation of Mass:

______cannot be ______or ______in a chemical reaction.

***Use your notes on page 51 to help you.

Name: ______10/19/15

DO NOW

Fill in the blanks to complete the Law of Conservation of Mass:

______cannot be ______or ______in a chemical reaction.

***Use your notes on page 51 to help you.

Name: ______10/19/15

DO NOW

Fill in the blanks to complete the Law of Conservation of Mass:

______cannot be ______or ______in a chemical reaction.

***Use your notes on page 51 to help you.

Name: ______10/20/15

DO NOW

Count the number of atoms for each element in the reactants and the products. Is this equation balanced?

Na + Cl2 NaClReactantsProductsIs it balanced?

Na: ______Na: ______yes or no

Cl: ______Cl: ______(circle one)

Name: ______10/20/15

DO NOW

Count the number of atoms for each element in the reactants and the products. Is this equation balanced?

Na + Cl2 NaClReactantsProductsIs it balanced?

Na: ______Na: ______yes or no

Cl: ______Cl: ______(circle one)

Name: ______10/20/15

DO NOW

Count the number of atoms for each element in the reactants and the products. Is this equation balanced?

Na + Cl2 NaClReactantsProductsIs it balanced?

Na: ______Na: ______yes or no

Cl: ______Cl: ______(circle one)

Name: ______10/20/15

DO NOW

Count the number of atoms for each element in the reactants and the products. Is this equation balanced?

Na + Cl2 NaClReactantsProductsIs it balanced?

Na: ______Na: ______yes or no

Cl: ______Cl: ______(circle one)

Name: ______10/21/15

DO NOW: Think about yesterday’s pyrite lab. List the signs of a chemical change that you observed in that lab:

1. ______

2. ______

3. ______

Name: ______10/21/15

DO NOW: Think about yesterday’s pyrite lab. List the signs of a chemical change that you observed in that lab:

1. ______

2. ______

3. ______

Name: ______10/21/15

DO NOW: Think about yesterday’s pyrite lab. List the signs of a chemical change that you observed in that lab:

1. ______

2. ______

3. ______

Name: ______10/21/15

DO NOW: Think about yesterday’s pyrite lab. List the signs of a chemical change that you observed in that lab:

1. ______

2. ______

3. ______

Name: ______10/23/15
DO NOW

How many valence electrons does fluorine have? ______
Which group will fluorine most likely react with? ______/ Name: ______10/23/15
DO NOW

How many valence electrons does fluorine have? ______
Which group will fluorine most likely react with? ______
Name: ______10/23/15
DO NOW

How many valence electrons does fluorine have? ______
Which group will fluorine most likely react with? ______/ Name: ______10/23/15
DO NOW

How many valence electrons does fluorine have? ______
Which group will fluorine most likely react with? ______