Fireworks exploding in the sky and giving off light are an example of a(n) * 1 point
exothermic change.
endothermic change.
change in mass.
physical change

What effect might melting sea ice have for people who live in coastal areas?

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

In apex! a liquid heated beyond a certain temperature becomes