Question

what is heavy metals​

Answer 1

Heavy metals are generally defined as metals with relatively high densities, atomic weights, or atomic numbers. The criteria used, and whether metalloids are included, vary depending on the author and context.[2] In metallurgy, for example, a heavy metal may be defined on the basis of density

Answer 2

Answer:

Heavy metals are metals with High densities,atomic weights and atomic numbers.

Explanation:

• Heavy metals are natural components of the Earth's crust
• They cannot be degarded or destroyed
• To a small extent they enter our bodies through food,drinking water and air, and may lead to poisoning at highee concentration.
• Heavy metals are dangerous because they tend to bioaccumulate.
• Bioaccumulation means an increase in the concentration of a chemical in a biological organism over time, compared to the chemical's concentration in the environment
• Titanium,Vanadium,Chromium,Manganese,Nickel,Copper,Zinc,Gallium,Germanium,Arsenic?Zirconium,Niobium,Molybdenum are some examples of heavy metals