ITEC Beauty Specialist Practice Exam

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What percentage of all chemical elements are classified as metals?

50-60%

75-80%

The correct percentage of all chemical elements classified as metals falls within the range of 75-80%. This classification is based on the properties of elements in the periodic table, where metals are characterized by their conductivity, malleability, ductility, and often their shiny luster.

Metals make up a significant majority of the periodic table—approximately 75% to 80%—with the vast majority located on the left side and in the center of the periodic table. This includes most of the transition metals and elements from groups 1 and 2. The non-metals and metalloids occupy a smaller area, highlighting the predominance of metals in the overall composition of elements.

Understanding this percentage is crucial, particularly in fields related to chemistry, materials science, and various applications in beauty and wellness, as certain metals play important roles in cosmetics and skincare products.

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85-90%

65-70%

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