6. It is an instrument used in determining the electron configuration of an element. a. Periodic Table
b. Mnemonic Device
c. Bohr's Model
d. Table of Specification

7. What element has an atomic number of 8?
a. Hydrogen
b. Carbon
c. Oxygen
d. Chlorine
8. The negatively charge sub-atomic particles of the atom.
A. Atom
B. Neutron
C. Proton
D. Electron
9. Sublevel that can hold up to 14 electrons?
A. S
B.P
C. d
D. f
10.It is the way of distributing electrons in orbitals.
A. Shells
B. Sublevel
C. Electron configuration
D. Orbitals
11. It is the type of covalent bond with electronegativity difference of 0.4 or less. a. chemical bond
c. non polar covalent bond
b. ionic bond
d. polar covalent bond​