2. A Few Examples Of Useful Types Of
Marking
1. Cicle Words You Do Not
Know
Example:
1. Sulfur is a yellow solid substance that has
several allotropic orms
3. 2. Mark definitions
with an asterisk
Example:
1. Chemical reactivity is the tendency of an element to
participate chemical reaction.
3. Write summary
words or phrases in
the margin
Examples:
1. Some elements, such as aluminium (A) or Cpper
(Cu), tarnish just irom sitting around in the air. They react
with oxygen (02) in the air.
4. • Example : 1. metalic properties include conductivity, luster, and ductility.
4. Number lists of ideas, causes, and reasons.
• Example : 1. in Group IVA, carbon (C) is a nonmental, silicon (Si) and germanium
(Ge) are metaloids and tin (Sn) and lead (Ph) are metals
5. Place brackets around important passages
• Example : 1. Grapite is made up of a carbon layers stacked on top of one another,
like sheets of paper. The layers slide over one another, which makes it a good
lubricant.
6. Draw arrows diagrams to show relationship or to clarity
information
5. Example :
1. Carbon is most important to us because it is a basic element
in all plant and animal structures.
7. Make notes to yourself, such as
“good test question,“ “reread,” or ask
instructor
8. Put question marks next to
confuising passages or when you want
more information.
Example :
1. Someties an element react so violently with air, water, or
other substances that an explosion occurs.
