luisanavarrogarcia
16.12.2019 •
Chemistry
Which polyatomic ion has a charge of ) chromate ion (2) oxalate ion (3) phosphate ion (4) thiocyanate ion
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Ответ:
(3) phosphate ion
Explanation: A polyatomic ion is a ion which contains different atoms.
1) Chromate ion is a polyatomic ion containing chromium and oxygen with formula
2) Oxalate ion is a polyatomic ion containing carbon and oxygen with formula
3) Phosphate ion is a polyatomic ion containing phosphorous and oxygen with formula
4) Thiocyanate ion is a polyatomic ion containing sulfur, carbon and nitrogen with formula
Ответ:
18
Step-by-step explanation: