What is the number "4" in SiCI4

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

What must happen before a body cell can begin mitotic cell division