ELEMENTS, CHEMICAL SYMBOLS AND THE PERIODIC TABLE

Chemical Symbols Chemical Symbol:

Over 115 elements

Instead of writing out full name of element scientists use symbol

Symbols consist of 1 or 2 letters from latin origin.

If only one letter then it is capitalized. If two letters, first is capitalized the second is not. Ex. N = Nitrogen, Na =

Sodium

Key terms

Chemical Properties Description of the

ability of one chemical to react with another to form new substances Ex. reactivity

Metals 1. Shiny2. Malleable3. Ductile4. Conductors of heat

and electricity5. Hard

Non-metals1. Brittle or2. Gases at room

temperature

Some Elements

Hydrogen Take notes on page

45 describing the properties of hydrogen.

The Hindenberg

Elements cont…

Pg 48. Act 2-1B

Elements cont.

Oxygen

Continue with notes

Sodium

Last few elements

Chlorine

Mercury

Silver

Silicon