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Group 15 element
The Group 15 elements, also called the pnictogens, Group V elements, or Group VB elements, are a group on the periodic table. They have many different properties. Nitrogen is a colorless unreactive gas. Phosphorus is a reactive white or red solid nonmetal. Arsenic is a highly toxic semimetal. Antimony is also a semimetal. Bismuth is a metal. They all have 5 valence electrons. Most of them form +5 or -3 chemical compounds.