1- Solve problems #23 to 51 on pages 130 and 131 at the end of chapter 3. These are worth 50 points. 2- Write two two-page summaries for all the authentic information that you can gather for the elem

1- Solve problems #23 to 51 on pages 130 and 131 at the end of chapter 3. These are worth 50 points. 

2- Write two two-page summaries for all the authentic information that you can gather for the element of your choice. Include the real-life application for this element. Font #12, times, or similar font, double-spaced. This section is also 50 points. Elements that were selected  ( Arsenic, As or Cobalt, Co)

https://www.mediafire.com/file/179ext6dv74cr75/IMG_1896.jpeg/file( picture or questions)

https://www.mediafire.com/file/69ufq5ll0p45y1l/IMG_1897.jpeg/file( pictures of questions)