ellisya
ellisya
13-10-2020
Chemistry
contestada
I need help with these two questions
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studentsmart2020
studentsmart2020
13-10-2020
halogens have 7
allali have 2
noble gases have 8
K = 1
P = -3
Ra= 7
Cl = -1
N = 5
O = 6
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