Which non metal is a good conductor of heat and electricity ?​

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.

What element breaks down into yttrium-90?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?