subject
Chemistry, 20.10.2019 09:30 PayeA6901

Acertain radioactive element has a half-life of one hour. if you start with 40.0 grams of the element at noon, how much of the radioactive element will be left at 2 p. m.? (3 points)
0.0 grams
10.0 grams
20.0 grams
5.0 grams

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 01:30
The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 Ă— 103 pascals?
Answers: 3
question
Chemistry, 22.06.2019 10:30
What is the correct equation for cellular respiration?
Answers: 2
question
Chemistry, 22.06.2019 16:00
What is true for a substance that releases energy
Answers: 2
question
Chemistry, 22.06.2019 16:30
How many grams of mgbr2 are needed to produce 75g or metal?
Answers: 1
You know the right answer?
Acertain radioactive element has a half-life of one hour. if you start with 40.0 grams of the elemen...
Questions
question
English, 26.11.2019 13:31
question
English, 26.11.2019 13:31
question
Mathematics, 26.11.2019 13:31
Questions on the website: 13722361