MARKING

Marking is the way that can help you to identify the important information.

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

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.

• 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

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.