The includes the entire planet and all of its living and nonliving parts. a) biosphere b) community c) ecosystem d) lithosphere

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Answer explain why it is not possible to deduce a complete order of reactivity.