Which of the following has zero dipole moment?

a. NH3

b. NO2

c. PF5

d. HCN

Individuals who share a common cultural background and a common sense of identity are known as an ethnic group. 1) True 2) False

What would happen to the size of the herbivore population if the producer population decreased? decrease double in number stay the same triple in number

What is the preferred electrical charge of a Sodium ion? O a. + 1 O O O b. + 2 Oco O O d.-1 O e. 2 O

Sonya is playing a board game, and each space on the board game measures 1 centimeter. She moves her game token 5 spaces up from the start position. Then she moves it 5 spaces to the left. Finally, Sonya moves her token 2 spaces down.

Is baking soda a fine powder or is it coarse

Should a bartender use ice and scoop directly from ice machine or use an ice holding device and scoop to make drinks and refill drinks from

What classification should this reaction have? 4Al + 3O2 → 2Al2O3

If you start with 100 grams of a radionuclide, how much will you have after two half-lives have passed?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?