When and where was siddhartha gautama born? 500bc india600bc china150ad mongolia 800ad tibet

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 —

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above