You often hear the term metal elements and non-metallic elements.
These elements have various uses according to their properties
typical. For example, the airframe should have a weight
light enough and not easily corroded by moist air then used
aluminum metal that has a fairly light density and not
easily corroded. Another example is the utilization of nitrogen as an ingredient
making fertilizer. There are still many uses and properties of the chemical elements
You can find in this chapter.
What is nature, abundance in nature, process of making, and manner
determine the level of these elements? Find the answer with
browse through the contents of this chapter.
Did you know, what is the similarity between tire wheels vehicle and body
airplane? Both objects are made of aluminum metal.
Aluminum is just one example of the chemical elements found within
everyday life. In addition to aluminum, there are still about hundreds of elements.
The elements are scattered in nature.
Indonesia is known as a country rich in natural resources,
one of them metals, such as copper, nickel, and gold. Which area
What are the areas of metal mining? Come, investigate
by doing the following activities.