subject
Chemistry, 20.09.2019 00:30 mcqueen10travis

In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six neutrons. what is the mass number of each boron isotope? sketch a sample of 10 atoms that is nearly representative of a natural sample. what is the average mass of the atoms in your drawing? what is the atomic mass of boron? (boron-10 has a mass of 10.01294 amu and boron-11 has a mass of 11.00931 amu.)

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 01:00, baileysosmart
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
image
Chemistry, 22.06.2019 23:30, LilErvin
The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams
Answers: 2
image
Chemistry, 23.06.2019 01:00, tjeffers90028
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
image
Chemistry, 23.06.2019 01:00, shri1301
Who examines and coordinates the cleanup of polluted sites?
Answers: 2
You know the right answer?
In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six neutrons...

Questions in other subjects:

Konu
Social Studies, 11.02.2022 15:00