6. Which best describe the shape and polarity of CH4?
a. Tetrahedral polar
b. Linear non-polar
c. Tetrahedral non-polar
d. Linear polar
7. Which statement is true about the non-polar molecules?
a. They are symmetric.
b. They are asymmetric.
c. They have lone pair on the central atom. d. They have charges
8. If a molecule has this symbol -, it means_
a. Negative
b. Neutral
c. Positive
d. Cancel out
9. If a molecule has this symbol +, it means
a. Charge
b. Positive
c. Negative
d. Neutral
10. If a molecule has value of 1.6 electronegativity difference, this molecule is best
described as
a. Ionic
b. Polar
C. Non-Polar
d. Covalent​