Chemistry 121 Chapter 2 Part 2
13 Questions
| Total Attempts: 130
Study for Chemistry test
Questions and Answers
- 1.For each element the top number next to each element is _____________
- A.
Mass number
- B.
Atomic number
- 2.For each element the bottom number next to each element is _____________
- A.
Mass number
- B.
Atomic number
- 3.The ________________________ tells us the the number of protons.
- A.
Atomic number
- B.
Mass number
- 4.The ________________________ tells us the the number of protons and neutrons
- A.
Atomic number
- B.
Mass number
- 5.Picture Uranium (U) with the number 238 on the top left and the number 92 on the bottom left. What is the number of protons?
- A.
238
- B.
146
- C.
92
- 6.Picture Uranium (U) with the number 238 on the top left and the number 92 on the bottom left. What is the number of neutrons?
- A.
146
- B.
92
- C.
238
- 7.Elements that have the same atomic number but different mass number are said the be __________ of each other
- A.
Neutral
- B.
Isotopes
- C.
Enriched
- 8.You have A) one Uranium with a mass number of 235 and atomic number of 92. You have another B) Uranium with a mass number of 238 and atomic number of 92. Which one is the Isotope?
- A.
B
- B.
A
- 9.The mass spectrometer (mass spec) is the cornerstone of much of ‘elemental analysis’ and analytical chemistry in general, which was invented by
- A.
Antoine Lavoiser
- B.
Issac Newton
- C.
Francis William Aston
- 10.Avogadro's number is the formula ______________________
- A.
6.12 x 10 to the 14th power
- B.
6.022 x 10 to the 23rd power
- C.
3.14 x 10 to the 16th power
- 11.Atom or molecule that has a distinct charge associated with it.
- A.
Ion
- B.
Atomic Number
- C.
Proton
- 12.A positive Ionic molecule
- A.
Cation
- B.
Anion
- 13.A negative Ionic molecule
- A.
Cation
- B.
Anion
This is a basic to advanced level chemistry quiz to test your knowledge of the fundamentals of both organic and inorganic chemistry. It consists of up to forty questions and quite useful for all the high school or college...
Questions: 40 | Attempts: 4869 | Last updated: Mar 20, 2022
-
Sample QuestionA chemical can be defined as...
Study for chemistry test 1
Questions: 20 | Attempts: 683 | Last updated: Mar 18, 2022
-
Sample QuestionAnything that is made up of two substances where the substances retain their identities.
A polyatomic ion is seen as a molecule that has been ionized by gaining or losing electrons. In a polyatomic ion, the group of covalently bonded atoms carries a net charge because the total number of electrons in the molecule is...
Questions: 10 | Attempts: 58786 | Last updated: Mar 22, 2022
-
Sample QuestionWhat is the name of this chemical? NH4+
- Atomic Theory Quizzes
- Chemical Bonding Quizzes
- Chemical Compound Quizzes
- Chemistry Practice Quizzes
- Clinical Chemistry Quizzes
- Electrolysis Quizzes
- Functional Group Quizzes
- Gas Quizzes
- General Chemistry Quizzes
- Ibsl Chemistry Quizzes
- Medicinal Chemistry Quizzes
- Molecule Quizzes
- Rate Of Reaction Quizzes
- Soap Quizzes
- Solution And Mixture Quizzes
- State Of Matter Quizzes
- Stoichiometry Quizzes
Back to top