Chemistry Brooks 1st

This is a reminder that Mr. Brooks is offering a make up assignment again this FRIDAY. You will need to pick it up and return in on Monday. STUDENTS SHOULD also do the FABRIC OF THE COSMOS extra credit. See previous post for information. I posted links and an explanation last week.

CLASSWORK/HOMEWORK

FINISH TONIGHT

Chapter 6 Section 1

QUESTIONS

1.     How did Lavoisier classify the elements?

What are the categories?
http://antoine.frostburg.edu/chem/senese/101/history/faq/antoines-elements.shtml

2.     What two developments in the 1800’s brought about advancements in chemistry? Why?

1.

2.

3.     What did John Newlands notice about atomic mass and atomic properties?

Why are Newland’s laws of Octaves not generally accepted?
http://chemistry.about.com/od/periodictableelements/f/who-invented-the-periodic-table.htm

4.     Who is generally given credit for the first organized periodic table?

What were the blank spots in the table left for?

5.     Who is given credit for the modern periodic table?

How is this periodic table different from Mendeleev’s?

6.     Summarize the contributions of each of the following in the classification of the elements:

Þ    John Newlands

Þ    Lothar Meyer

Þ    Dmitri Mendeleev

Þ    Henry Moseley