This element tends to be shiny and malleable, and it has 2 valence electrons. It is very reactive. What is it?​

The rules of engagement (roe) working group is often used to (select all that apply.)

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.

What are the major types of a chemical compound