2. All orbitals can hold a maximum of how many electrons.
A. 1
B. 2
C. 3
D. 4

3. What are the orbitals present in the second principal energy level?
A. s orbital C. s, p, d orbitals
B. s, p orbitals D. s, p, d, and f orbitals


4. How many pairs of electrons can a d sublevel hold?

A. 1 C. 5
B. 3 D. 7

5. Which of the following periodic properties of atoms is the most suitable referencefor the kind of bond that will take place between/ among them?

A. Atomic Size C. Electronegativity B. Electron Affinity D. Ionization energy ​