PHYSCIEL33rdQEX

Which of the following paired atoms is non-polar?

• Br-F

• H-Cl

• H-F

• H-P

Which of the following bonds has the highest polarity?

• C-H

• N-H

• O-H

• C-O

Which of the following bonds has the lowest polarity?

• O-H

• N-H

• C-O

• C-H

Which of the following is the correct decreasing electronegativity values?

• F, O, N, C

• Cl, S, Si, P

• As, Se, Br, F

• H, Si, P, S

Which molecule has an ionic bond?

• Cl-F

• F-F

• Na-F

• H-F

Which best describe the shape and polarity of CH4?

• Linear non-polar

• Tetrahedral non-polar

• Tetrahedral polar

• Linear polar

Which statement is true about the non-polar molecules?

• They are asymmetric.

• They have charges

• They are symmetric.

• They have lone pair on the central atom.

If a molecule has this symbol -, it means_______.

• Cancel out

• Negative

• Neutral

• Positive

If a molecule has this symbol +, it means_______.

• Negative

• Positive

• Charge

• Neutral

If a molecule has value of 1.6 electronegativity difference, this molecule is best described as________.

• Covalent

• Non-Polar

• Polar

• Ionic