Title: The symbol for a certain isotope of strontium is Sr. What is the mass number of this isotope? Post by: msmoss318 on Dec 6, 2018 The symbol for a certain isotope of strontium is Sr. What is the mass number of this isotope?
• 52 • 128 • 88 • 90 • 38 Title: The symbol for a certain isotope of strontium is Sr. What is the mass number of this isotope? Post by: Bobby.s on Dec 6, 2018 90
|