which group of the periodic table has 7 valence electrons?\nalkaline earth metals\nnoble gases\nhalogens\nalk…
which group of the periodic table has 7 valence electrons?\nalkaline earth metals\nnoble gases\nhalogens\nalkali metals
Answer
Brief Explanations:
Alkaline Earth Metals have 2 valence electrons. Noble Gases usually have 8 valence electrons (except helium which has 2). Halogens have 7 valence electrons. Alkali Metals have 1 valence electron.
Answer:
C. Halogens