An unknown element is a mixture of isotopes ¹⁵¹X and ¹⁵³X. The average atomic mass of X is 151.69 amu. What is the percent abundance of ¹⁵³X? Please provide an explanation with the answer :)
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When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.