1. THE PERIODIC TABLE
Trevor Baker
Period 8

2. The Russian chemistry professor
Dmitri Mendeleev was the first
published version of the periodic
table around 1869

3. HOW THE TABLES
ORGANIZED
groups are the vertical
rows
Periods are the rows
that go sideways

4. BROMINE
Atomic number: 39
Element symbol: Br
Atomic mass: 79.9
This element is used to make
fire retardant materials,
pesticides, and gasoline
additives

5. SAMARIUM
Atomic number: 62
element symbol: Sm
Atomic mass: 150.36
Used in magnets and
used to help kill some
cancers

6. DUBNIUM
Atomic number
Element symbol
Atomic mass: 268

7. WORKS CITED
Works Cited
"Dubnium." Wikipedia. Wikimedia Foundation, 28 Oct. 2012. Web. 29 Oct.
2012. <http://en.wikipedia.org/wiki/Dubnium>.
"Dynamic Periodic Table." Dynamic Periodic Table. N.p., n.d. Web. 29 Oct.
2012. <http://www.ptable.com/>.
"Periodic Table." Wikipedia. Wikimedia Foundation, 28 Oct. 2012. Web. 29
Oct. 2012. <http://en.wikipedia.org/wiki/Periodic_table>.
"Samarium." Wikipedia. Wikimedia Foundation, 25 Oct. 2012. Web. 29 Oct.
2012. <http://en.wikipedia.org/wiki/Samarium>.
"Scientists, Famous Scientists, Great Scientists Information, Biography,
Photo, Name, History." : Dmitri Mendeleev (1834-1907). N.p., n.d. Web. 29
Oct. 2012. <http://scientistsinformation.blogspot.com/2011/01/dmitri-
mendeleev-1834-1907.html>.