What is germanium?
Germanium is the thirty-second element on the periodic table. Germanium is used for mostly electronic equipment. It is used for making semiconductors and transistors. Germanium is also used to make infrared detectors and spectroscopes.
What is arsenic?
Arsenic is the thirty-third element on the periodic table. It is a poisonous element. Arsenic is used for semiconductors, pyrotechnics, wood preservation, insecticides, and other uses. Certain compounds that contain arsenic are sometimes used to make glass. Gallium arsenide (GaAs) is used to make laser diodes and other types of light sources, such as LEDs.
What is selenium?
Selenium is the thirty-fourth element on the periodic table. Selenium help the body defend against infection and is involved in the production of DNA. Although our bodies cannot produce it, it is obtained very easily obtained through fruits and soil.
What is bromine?
Bromine is the thirty-fifth element on the periodic table. It is used in chemical products because of its poisonous properties. Bromine is used in insecticides, pharmaceuticals, and chemicals used in agriculture. It is also used to contain fire as a retardant. Bromine is also used as an alternative to chlorine for swimming pools. Silver Bromide (AgBr) is used in photography.
To be continued... It's a really long list...
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