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