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25.01.2020 •
Mathematics
Asap give you 20 points and brainiest
ions are atoms or groups of atoms with positive or negative
charges. the charges of some ions are given in the table.
use these values to find the total charge of 8 phosphate,
7 chloride and 2 aluminum atoms.
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Ответ:
Total charge= -25
Step-by-step explanation:
Given :
Charges of some ions
Aluminium +3
Phosphate -3
Chloride -1
Silver +1
To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms
Aluminium +3 × 2 =+6
Phosphate -3 × 8 = -24
Chloride -1 × 7 = -7
total charge=
+6-24-7 =+6 -31
= -25
Ответ: