![niescarlosj](/avatars/16374.jpg)
niescarlosj
18.11.2020 •
Chemistry
Of the evidence shown, which are geologic evidence?
Solved
Show answers
More tips
- C Computers and Internet Protect Your Computer: How to Set a Password on Your Device...
- W Work and Career How to behave at an interview? Tips from an HR specialist...
- F Family and Home How to Keep Your Home Warm: Tips and Tricks...
- D Dating, Love, Relationships Does a Person s Character Depend on the Color of Their Eyes?...
- O Other Childhood Fears: What Many of Us Experienced...
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
Answers on questions: Chemistry
- M Mathematics There is a 0.9968 probability that a randomly selected 50 year old female lives through the year (based on data from the US department of Health and Human Services). A Fidelity...
- B Business Mary is 38 years old and many of her friends have gotten into trouble using their credit cards to buy things they can t afford. She feels lucky that her grandmother told her...
- M Mathematics There are two noncongruent triangles where B - 55°, a = 15, and b - 13. Find the measures of the angles of the triangle with the greater perimeter. Round to the nearest tenth...
- M Mathematics The local bakery sold 4 muffins baked 5 muffins on monday and baked 12 muffins and sold 11 muffins tuesday , does the bakery have any muffins left ?...
Ответ:
208 g/mol and 87 g/mol
Explanation:
Number of protons = 82
Atomic mass = 126 + 82 = 208 g/mol
For ^{87}Sr
Number of neutrons = 49
Number of protons = 38
Atomic Mass = 49 + 38 = 87 g/mol