Physics, 31.10.2020 09:40 lucycbrumby3150

(PLEASE HELP ASAP) In what ways can you determine the number of valence electrons in an atom
using the periodic table? (select all that apply)

The number of valence electrons equals the number in the ones place for groups 3-12

The number of valence electrons equals the number in the ones place for groups 1,2 and 13-18

The number of valence electrons equals the number in the tens place for groups 1,2and 13-18

The number of valence electrons equals the number in front of the "A" for groups 1A-80

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(PLEASE HELP ASAP) In what ways can you determine the number of valence electrons in an atom
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