Explain what lattice energy is and how it affects the properties of ionic compounds. Describe the general properties of ionic compounds

What is taking place in a reaction as the curve on a reaction pathway graph goes up? Heat is being released. Heat is being absorbed. The reaction has stopped. The reaction is slowing down.

At what speed do gamma Rays travel?

What was significant about the rocks Darwin found in the mountains

Which of the following energy level changes for an electron is most energetic? 3 → 2 5 → 2 4 → 2

How many moles are equal to 4.15x10^23 molecules of carbon monoxide?

Which of the following correctly describes how metals behave in an ionic bond? Metals lose their valence electrons and form positive ions. Metals lose their valence electrons and form negative ions.

A pharmacist measures the mass of a powdered drug. The mass is 506 mg. What is the mass in grams? Write your answer as a decimal.

Which of these is a source of sediment? A. Fragments if other rocks B. Chemicals and minerals dissolved in water C. Sea shells D. All of the above

Entropy is greater at higher trophic levels than at lower levels ... True of False

If the caffeine concentration in a particular brand of soda is 2.85 mg/oz, drinking how many cans of soda would be lethal? Assume that 10.0 g of caffeine is a lethal dose, and there are 12 oz in a can.