polar and non polar-10.3 HW1

1. Which of the following molecules is the most polar?

• H − Cl

• H − Br

• H − I

• H − F

2. Which of the following molecules is the least polar?

• H − N

• H − Si

• H − O

• H − C

Which of the following correctly lists the molecule and its type of bond?

• CaO Ionic bond

• Br2 Polar covalent bond

• CH4 Polar covalent bond

• NaI Coordinate covalent bond

Consider the hypothetical elements K, L, M and N and their electronegativity values , Which of the following compounds is ionic?

• LK

• MN

• NL

• LK, MN and NL

What is the type of bond X?

• Ionic

• Pure covalent

• Polar covalent

• Nonpolar covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the electronegativity difference in y?

• zero

• negative

• positive

• Cannot be determined

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Does the following reference Polar, Nonpolar, or both:

"slight positive and slight negative charge"?

• Polar

• Nonpolar

• Both

Tags

NGSS.MS-PS2-3

Does the following reference Polar, Nonpolar, or both:

"electronegativity values are the same"?

• Polar

• Nonpolar

• Both

Does the following reference Polar, Nonpolar, or both:

"covalent bonds"?

• Polar

• Nonpolar

• Both

Does the following reference Polar, Nonpolar, or both:

"a bond between the same two types of atoms"?

• Polar

• Nonpolar

• Both