subject
Chemistry, 22.08.2019 16:40 A1A2T3

Determine the average atomic mass of helium, which has two isotopes having atomic masses 4.0026 amu and 3.0160 amu. the relative abundance of the two isotopes is 99. percent and 0.0001 percent, respectively.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 06:30
The minerals found in bones are deposited by living cells called
Answers: 1
question
Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
question
Chemistry, 23.06.2019 05:30
What is the body’s main processing system? it uses input from various parts to control voluntary and involutiontary movement. it’s composed of two main parts-the brain and spinal cord. a. nbs b.cns c. ans d. pns
Answers: 1
question
Chemistry, 23.06.2019 07:30
Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton             rosalind franklin marie curie             gertrude b. elion ada yonath             henry cavendish robert boyle             antoine lavoisier mario j. molina             svante arrhenius
Answers: 1
You know the right answer?
Determine the average atomic mass of helium, which has two isotopes having atomic masses 4.0026 amu...
Questions
question
Chemistry, 30.10.2021 18:00
question
Mathematics, 30.10.2021 18:10
question
Biology, 30.10.2021 18:10
question
Mathematics, 30.10.2021 18:10
question
Mathematics, 30.10.2021 18:10
question
Mathematics, 30.10.2021 18:10