Answer:
Explanation:
3.86 L CO x <u>1 mol O2</u> x <u>1mole O2</u> x <u>22.4 L O2</u> = 1.93 L O2
22.4 L CO 2 mole CO 1 mole O2
H
b/c the polyatomic PO4¯³
have 3 valance number
Answer:It has the lowest effective nuclear charge of the four new elements.
The answer is A. Chemical
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