Which metal is used to make gasmasks

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.

Is 343 in the sequence -5, -2, 1, 4, 7

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer