January 2018 NY Regents Chemistry Exam
8 Ice, H2O(s), is classified as (1) an ionic compound (2) a molecular compound
(3) a homogeneous mixture
(4) a heterogeneous mixture
Solution:H2O(s) consists of atoms of different elements in fixed proportions representing a compound. A mixture would have multiple substances such as NaCl (aq) ( salt dissolved in water). H2O is composed of nonmetals only and is therefore a molecular compound.
Answer: 2
Prepare for the Chemistry Regents Exam: HERE
Contact us for chemistry tutoring: HERE
Commenti