What would be the final volume (in mL) of the aqueous potassium fluoride which was prepared by dissolving 8.0 g of potassium fluoride in an appropriate volume of water to give a 0.89 M aqueous solution?

1. Describe the difference between valence and core electrons.

What liquid metal has more protons than gold, but fewer electrons than thallium

You can observe the color of your friends shirt with your eyes because Question 6 options : the shirt releases light waves. light is reflected off the shirt. the shirt produces light waves. light is transmitted from the shirt.

The leaf cutter ants do NOT feed on leafs. true false

What is the total number of elements in Group 17 that are gases at STP?

Ethylene glycol (antifreeze) has a density of 1.11 g/cm3. what is the volume in liters of 3.46 kg of ethylene glycol?

Which type of matter are made of atoms? a. solids only b. solids and liquids only c. plasma only d. solids, liquids, gases and plasma

Read the excerpt from a science text. In our experiment, we filled two identical glasses with water. To one glass, we added two tablespoons of salt and stirred. To the other glass, we added four drops of food coloring and stirred.

Carbon can double bond to some atoms to complete its octet. True or false?

What is caused by the heating and coolingof the earth