Which two of the following elements would you expect to be most similar: nitrogen, chlorine, barium, fluorine, and sulfur?

F. How many representative particles are in 6.78 moles of sucrose C12H22011?

Term used by geologists for water that soaks into the ground, fills the openings in the soil, and trickles into cracks and spaces in rock layers

How many valence electrons does oxygen have? a. 2 c. 6

What is the maximum capacity of orbital?

Chemical reactions can be detected by changes in: a. temperature b. color c. overall mass of the products compared to the mass of the reactants d. density of the products compared to the reactants

How do you find moles

What volume of 0.500 M AgNO3 are needed to react with 100. mL of 0.400 M K2CrO4? 2 AgNO3 (aq) + K2CrO4 (aq) ➔ Ag2CrO4 (s) + 2 KNO3 (aq)

Nonpolar substances do not dissolve in polar solvents like water. If you're conducting an investigation to test the solubility of different substances, which on these substances do you expect to be insoluble in water? A. ammonia (NH3) B.

You mix together two different substances. There is a loud noise, and a burst of flame. Which of the following is most likely to be true?

Definition of a delocalised electron