Which of these changes do not involve forming or breaking chemical bonds?

A.

burning and melting

B.

rusting and cutting

C.

burning and digesting

D.

boiling and melting

How can an unsaturated solution of a solid be made saturated?

Is co2 a reactant or product

Name the only element that contains no neutrons and why is it likely to be unstable?

A cation forms when an atom gains an electron. a cation forms when an atom gains an electron. a. True b. False

Can you identify how an animals adoption allows it to survive in its habit

How many metaloides are found on the periodic table

Which of the following is considered to be a chemical property of matter?

How does percent composition by mass contribute to writing a balanced equation?

Raising the temperature of a reacting system increases the rate of the reaction, but does NOT increase the a) activation energy b) number of collisions c) fraction of the reacting particles which possess energies greater than the activation energy

If you have 60 grams of MgCl2 in 5 liters of solution, what is the molarity of this solution?