Which of these statements is not true about chemical reaction rates? a. the reaction rates can change. b. the reaction rates can increase. c. the reaction rates can decrease. d. the reaction rates are always constant.

How many ions that have a +1 charge will bond with an ion that has a -2 charge

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)