subject
Chemistry, 30.10.2020 03:20 kim3265

You can consult your Periodic Table to find the atomic weights of each element. Question 5
What is the relative atomic mass of
the element?
Isotope ?-90 has an atomic mass of 90. It has a relative
abundance of 51.5%.
Isotope ?-91 has an atomic mass of 91. It has a relative
abundance of 11.2%.
(Round to the first decimal point)
Submit Answer or Skip Question
Isotope ?-92 has an atomic mass of 92. It has a relative
abundance of 17.1%.
Isotope ?-94 has an atomic mass of 94. It has a relative
abundance of 17.4%.
Isotope ?-96 has an atomic mass of 96. It has a relative
abundance of 2.8%.
Next Chapter: Groups
About this Interactive | Periodic Site Map

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 18:40
Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.
Answers: 2
question
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
question
Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
question
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
You know the right answer?
You can consult your Periodic Table to find the atomic weights of each element. Question 5
Wh...
Questions
question
Mathematics, 03.05.2020 13:56
question
English, 03.05.2020 13:56
question
Mathematics, 03.05.2020 13:56
Questions on the website: 13722367