When we speak of a metal, the first thing that comes in our mind is a hard object used for building construction. Don't you know that all of us eat metals? Take note that there are many forms of metals. The table salt that we use in cooking is a metal.
The chemical formula for table salt is "NaCI". The combination of sodium and Chlorine. As you look at the periodic table of elements, Sodium (Na) belongs to family IA which "Alkali Metals".
We also need metals for the development of our bones; the metal, which concerns for this is Calcium (Ca), Zinc (Zn) is a metal, which strengthens our body defenses. Banana, which is my favorite , is also rich in potassium, which is a metal.
Not all metals is a form of iron (Fe) which is a hard material. There are some metals, which can be eaten and essentials to men.
The chemical formula for table salt is "NaCI". The combination of sodium and Chlorine. As you look at the periodic table of elements, Sodium (Na) belongs to family IA which "Alkali Metals".
We also need metals for the development of our bones; the metal, which concerns for this is Calcium (Ca), Zinc (Zn) is a metal, which strengthens our body defenses. Banana, which is my favorite , is also rich in potassium, which is a metal.
Not all metals is a form of iron (Fe) which is a hard material. There are some metals, which can be eaten and essentials to men.
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