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group 3

Also known as group 3 element, group 3 elements

group of chemical elements

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I can see the context refers to elements organized in a group, but the specific definition and significance of "group 3" aren't provided in the context given. Without additional information about which periodic table classification system is being referenced or what characteristics define group 3, I cannot write an accurate overview based solely on what's provided.

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Commons category: Periodic table group 3

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alkaline earth metals ← → group 4

Group 3 is the first group of transition metals in the periodic table. This group is closely related to the rare-earth elements. It contains the four elements scandium (Sc), yttrium (Y), lutetium (Lu), and lawrencium (Lr). The group is also called the scandium group or scandium family after its lightest member.