All High School Chemistry Resources
Example Questions
Example Question #1 : Help With Polyatomic Ions
Which of the following polyatomic ions has a net charge of ?
Possible Answers:
Correct answer:
Explanation:
For this question, you need to have the charges of polyatomic ions memorized. This will tell you that of the answer choices only the carbonate ion has a net charge of .
Chlorate:
Nitrite:
Phosphate:
Carbonate:
Example Question #2 : Help With Polyatomic Ions
When the ionic compound is put in water, it dissociates to produce which of the following ions?
Possible Answers:
Correct answer:
Explanation:
and are known as polyatomic ions. When a compound made up of polyatomic ions ionizes in water, it separates into the original polyatomic ions, not the individual elements.
Example Question #72 : Elements And Compounds
What is the correct molecular formula for phosphoric acid?
Possible Answers:
None of the answer choices are correct
Correct answer:
Explanation:
Phosphoric acid combines a single phosphate ion with three hydrogen ions. The correct molecular formula is .
All High School Chemistry Resources
Popular Subjects
Chemistry Tutors in Denver, English Tutors in Chicago, Spanish Tutors in New York City, Calculus Tutors in San Francisco-Bay Area, Statistics Tutors in Philadelphia, Reading Tutors in Boston, Chemistry Tutors in Seattle, GMAT Tutors in Chicago, ACT Tutors in New York City, GRE Tutors in Atlanta
Popular Courses & Classes
SSAT Courses & Classes in Miami, ACT Courses & Classes in Phoenix, SSAT Courses & Classes in Philadelphia, ISEE Courses & Classes in New York City, LSAT Courses & Classes in Houston, GRE Courses & Classes in Atlanta, ISEE Courses & Classes in Washington DC, Spanish Courses & Classes in San Francisco-Bay Area, SAT Courses & Classes in San Francisco-Bay Area, Spanish Courses & Classes in Miami