NF 5

The figure below shows a flownet drawn below the concrete dam. Determine the Nf and Nd from the flownet.

• Nf = 4 , Nd = 9

• Nf = 5 , Nd = 11

• Nf = 5 , Nd = 10

• Nf = 4 , Nd = 10

The portion between two successive flow lines is known as __________.

• Pipe channel

• Flow channel

• Open channel

• Field channel

Tags

NGSS.HS-ESS2-5

What is the chemical formula for nitrogen pentafluoride?

Tags

NGSS.HS-PS1-1

Which of the following is a property of nitrogen pentafluoride?

• Colorless gas

• Green solid

• Blue liquid

• Red powder

What type of bond is present in nitrogen pentafluoride?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

What is the molecular geometry of nitrogen pentafluoride?

• Trigonal planar

• Tetrahedral

• Trigonal bipyramidal

• Octahedral

Which element is more electronegative in nitrogen pentafluoride?

• Nitrogen

• Fluorine

• Both are equal

• Neither

What is the oxidation state of nitrogen in nitrogen pentafluoride?

• +3

• +5

• +1

• 0

How many lone pairs of electrons are present on the nitrogen atom in nitrogen pentafluoride?

• 0

• 1

• 2

• 3

What is the hybridization of the nitrogen atom in nitrogen pentafluoride?

• sp

• sp2

• sp3

• sp3d