Page 1 of 1
In the early 1900s, 226Ra was used to paint glow-in-the dark dials on wristwatches. 1st attempt Part 1 (1 point) Hul See
Posted: Thu Dec 02, 2021 7:39 am
by answerhappygod
- In The Early 1900s 226ra Was Used To Paint Glow In The Dark Dials On Wristwatches 1st Attempt Part 1 1 Point Hul See 1 (24.83 KiB) Viewed 132 times
In the early 1900s, 226Ra was used to paint glow-in-the dark dials on wristwatches. 1st attempt Part 1 (1 point) Hul See Periodic Table See If exactly 1.00 ug of 226Ra was used to paint the glow-in-the-dark dial of a wristwatch made in 1914, how radioactive is the watc in 2011? Express your answer in becquerels (Bg). The half-life of 226Ra is 1.60 x 10 years. I Bq Part 2 (1 point) See H Express your answer from above in microcuries (uci). μCi