1. which of the following is an example of a chemical change?

flour and sugar are sifted together into a measuring cup.

a mixture of flour, sugar, eggs, and butter is baked to become a cake.

the shell of an egg breaks when it is struck against a hard surface.

chocolate squares are melted to make cake icing.

What is avogadro’s number, and why is it useful

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction