NF 5

The figure below shows a flownet for the condition of a line of sheet-piling driven into a stratum of homogenous sandy soil. Determine the number of flow lines and equipotential lines.

• Nf = 4, Nd = 14

• Nf = 5, Nd = 13

• Nf = 4.5, Nd = 13

• Nf = 4.5, Nd = 14

Tags

NGSS.HS-ETS1-3

What is the chemical formula for nitrogen pentafluoride?

Which of the following is a property of nitrogen pentafluoride?

• Colorless gas

• Green solid

• Blue liquid

• Red powder

Tags

NGSS.HS-PS1-3

What type of bond is present in nitrogen pentafluoride?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

In the compound nitrogen pentafluoride, how many fluorine atoms are bonded to nitrogen?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

What is the molecular geometry of nitrogen pentafluoride?

• Tetrahedral

• Trigonal bipyramidal

• Octahedral

• Linear

Which of the following is a potential use of nitrogen pentafluoride?

• Refrigerant

• Rocket propellant

• Pesticide

• Antibiotic

What is the oxidation state of nitrogen in nitrogen pentafluoride?

• +3

• +5

• +1

• 0

Tags

NGSS.HS-PS1-2

Which of the following elements is most electronegative in nitrogen pentafluoride?

• Nitrogen

• Fluorine

• Hydrogen

• Oxygen

Tags

NGSS.HS-PS1-2

What is the hybridization of nitrogen in nitrogen pentafluoride?