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Chap 3 part 3 vocab
Question | Answer |
---|---|
Diatomic molecule | a molecule composed of two atoms of the same element |
halogen family | elements in a family or group #17 in the periodic table. most reactive non metal group. |
metalloid | an element that has some characteristics of metals and non metals. |
noble gas | an element in a family or group 18 of the periodic table, also known as the inert gases. they are VERY non reactive. |
non metal | elements that have properties opposite those of metals. |
semiconductor | an element that can conduct electricity under certain conditions. |
nuclear fusion | the process in which smaller nuclei combine into larger nuclei |
plasma | a state of matter in which atoms are stripped of their electrons and the nuclei are packed closely together. |
supernova | an explosion of a massive star |