What is needed for a fossil to form?

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.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.