Lesson 3

• Scheikunde
• Middelbare school
• vwo
• Leerjaar 1

First read pages 30 & 31

• Familiarize yourself with the new words and terminologies
• Test your understanding 

Name two common uses of Oxygen

Name a common use of Chlorine

Name two types of Carbon

What is the difference between Diamond and Graphite?

If a substance breaks easily, it is said to be ________________.

1. Magnetic
2. Conductive
3. Brittle
4. Ductile

Look at the periodic table and see the place of metals,

  non-metals, and metalloids

Where are the non-metallic elements found on the periodic table?

1. In the middle
2. In the top rows
3. On the left-hand side
4. On the right-hand side

which non-metallic element was used in bombs

Metals vs Non-metals

An element sinks in water and makes a ringing sound when hit. It is most likely to be:.................?

    Metalloids are elements with properties intermediate between those of metals and non-metals

    Silicon is a metalloid because it has luster, but is brittle.

    Boron, arsenic, and antimony are metalloids with a variety of uses.

Describe the physical properties of two metalloids of your choosing.

Name two non-metals which are as gases at 20 C.

Assignment

 Complete page 17 of workbook