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PLEASE HELP!!! Used to determine an elements reactivity A. atomic number B. atomic mass C. valence electrons D. electron cloud
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4 votes
PLEASE HELP!!!

Used to determine an elements reactivity

A. atomic number
B. atomic mass
C. valence electrons
D. electron cloud

User Chetan Shirke
by
4.4k points

2 Answers

10 votes

Answer:

it is c

Step-by-step explanation:

the number of electrons in the outermost shell of an atom determines its reactivity

User Anjelika
by
3.8k points
7 votes
C because the electrons is what’s used to determine the reactivity
User Charroch
by
3.8k points
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