What is characteristic of an ionic bond?
O
A. Electrons are lost from one atom and gained by another.
O
B. Electrons move freely among many atoms in a metal.
O
C. Electrons are shared between two different atoms.
O
D. Electrons are attracted to an atom on another molecule.

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+