Table:Question 1 All of these elements are metals except
Select one:
helium.
gold.
sodium.
aluminum

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.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?