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 #72 : Understand Basic Chemistry
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 #1 : Help With Polyatomic Ions
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 San Francisco-Bay Area, Biology Tutors in Dallas Fort Worth, Computer Science Tutors in Miami, English Tutors in Houston, ISEE Tutors in Philadelphia, GMAT Tutors in Boston, Reading Tutors in Philadelphia, French Tutors in Los Angeles, Biology Tutors in Boston, SSAT Tutors in Dallas Fort Worth
Popular Courses & Classes
Spanish Courses & Classes in Washington DC, SSAT Courses & Classes in Miami, ISEE Courses & Classes in Washington DC, Spanish Courses & Classes in Dallas Fort Worth, MCAT Courses & Classes in Boston, ISEE Courses & Classes in Houston, Spanish Courses & Classes in Chicago, GMAT Courses & Classes in Washington DC, SSAT Courses & Classes in Washington DC, Spanish Courses & Classes in Denver