Want to study this quiz?
Copy it to your free Gradiuz library and make it your own.
Question 1
Which atomic model describes the atom as mostly empty space with electrons orbiting a fixed, positively charged nucleus?
- Rutherford model
- Bohr model
- Thomson model
- Quantum mechanical model
Question 2
Which principle states that no two electrons can have the same four quantum numbers?
- Pauli exclusion principle
- Hund's rule
- Aufbau principle
- Heisenberg uncertainty principle
Question 3
Avogadro's number is equal to ___ particles per mole.
Fill in the blank
Question 4
Paramagnetic materials are repelled by an external magnetic field.
- True
- False
Question 5
Which quantum number gives the electron's energy level or shell number?
- n
- l
- m_l
- m_s
Question 6
What is the maximum number of electrons that can occupy an energy level with principal quantum number n?
- 2n^2
- 4l + 2
- n^2
- 2(2l + 1)
Question 7
According to Hund's rule, every orbital in a subshell must be singly occupied before any orbital receives a second electron.
- True
- False
Question 8
A covalent bond in which a single atom provides both bonding electrons is called a ___ bond.
Fill in the blank
Question 9
What does effective nuclear charge (Z_eff) describe?
- The attractive positive charge of nuclear protons acting on valence electrons
- The energy required to remove an electron
- The energy released when an electron is added
- The ability of an atom to attract electrons in a bond
Question 10
Which term is defined as the amount of energy required to remove an electron from an atom?
- Ionization energy
- Electron affinity
- Electronegativity
- Bond order
Question 11
The greater the bond order, the higher the bond strength and the shorter the bond.
- True
- False
Question 12
Is lithium diamagnetic or paramagnetic?
- Paramagnetic
- Diamagnetic
- Neither
- It depends on the isotope
Question 13
Which electronegativity difference (ΔEN) range corresponds to non-polar bonds?
- Less than 0.5
- Between 0.5 and 1.7
- Greater than 1.7
- Exactly 1.0
Question 14
Polar bonds have an electronegativity difference between which values?
- 0.0 and 0.5
- 0.5 and 1.7
- 1.7 and 3.0
- 2.0 and 4.0
Question 15
Cations are ions with a positive charge.
- True
- False
Question 16
Anions are ions with a negative charge.
- True
- False
Question 17
Large, organized arrays of ions are called ____.
Fill in the blank
Question 18
Hydrogen bonds are most often formed between hydrogen and which elements?
- Oxygen, nitrogen, and fluorine
- Carbon, hydrogen, and oxygen
- Sulfur, phosphorus, and chlorine
- Sodium, potassium, and calcium
Question 19
Van der Waals forces is a general term that includes which two types of forces?
- Dipole-dipole forces and London dispersion forces
- Ionic bonds and covalent bonds
- Hydrogen bonds and sigma bonds
- Cation-anion attractions and metallic bonds
Question 20
Dipole-dipole forces are attractive forces between which of the following?
- The positive end of one polar molecule and the negative end of another polar molecule
- Two non-polar molecules
- A cation and an anion in a lattice
- Hydrogen and oxygen in a single molecule
Question 21
London dispersion forces are created when a temporary dipole induces a dipole in a neighboring molecule.
- True
- False
Question 22
Bonds formed by head-on overlapping between atomic orbitals are called ____ bonds.
Fill in the blank
Made with Gradiuz
Turn any PDF into quizzes, flashcards and summaries - free.