Calculate the density (slope) of substance B. Report your answer as a decimal. Report numerical answer only. You do not need to report a unit Substance A Substance B 90 80 Substance C 70 60 Mass (g) 50 40 Substance D 30 20​

Which statement is best described as a atom

Me i dont know what to do! 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.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?