quiz: period table & trends\npossible points: 10\nelements in group 17 have __________ valence electrons and…

quiz: period table & trends\npossible points: 10\nelements in group 17 have __________ valence electrons and will tend to __________ electrons to become more stable like the noble gases\n7, gain\n7, lose\n17, gain\n17, lose

quiz: period table & trends\npossible points: 10\nelements in group 17 have __________ valence electrons and will tend to __________ electrons to become more stable like the noble gases\n7, gain\n7, lose\n17, gain\n17, lose

Answer

Brief Explanations:

Elements in group 17 are halogens. They have 7 valence electrons. Noble - gases have a full outer - electron shell. To achieve a full outer - electron shell like noble gases, halogens gain 1 electron.

Answer:

A. 7, gain