ELEMENTS AND COMPOUNDS. WHAT DO THESE HAVE IN COMMON? Fertilizer Matches Fireworks.
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Transcript of ELEMENTS AND COMPOUNDS. WHAT DO THESE HAVE IN COMMON? Fertilizer Matches Fireworks.
ELEMENTS AND COMPOUNDS
WHAT DO THESE HAVE IN COMMON?
Fertilizer
Matches
Fireworks
PHOSPHORUS!
We will be looking closely at types of particles that make up matter and discover ways in which these particles can be organized and combined.
Substances can be organized and divided into two categories: Elements
Compounds
SECTION OVERVIEW
THE GREEKS
THE ELEMENTS
CARBON
GOLD
SILVER
LEAD
IRON
Today approximately 112 elements are known and have been organized into a table, known as the periodic table.
WHAT’S KNOWN TODAY
DMITRI MENDELEEV
Yes… he’s as crazy as he looks…
PERIODIC TABLE
METALS
Good Conductors, (Both heat and electricity)
Can be polished until shiny
Solids at room temperature (Only exception is mercury)
METALS
What are their properties? Pg 26
NON-METALS
METALLOIDS
Stibium
How would you know if a substance is a metal or a non-metal? How could you test your guess?
TESTING FOR METALS OR NON-METALS
Element Name Symbol Period Group Metal or Non-Metal
chromium
4 17
P
1 18
bohrium 7
15 metal
14 Non-metal
tin
Cl
Nb 5
USE THE PERIODIC TABLE AT THE BACK OF THE BOOK