Which of the following could be considered a scientific statement? a. "i think that cookies taste much better than cake." b. "i observed that butterflies prefer the yellow flowers." c. "yellow is a cheerful color." d. "i believe there is life on other planets."

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 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.