subject
Chemistry, 22.09.2019 04:30 thinabby

Anewly discovered element, y, has two naturally occurring isotopes. 87.8 percent of the sample is an isotope with a mass of 267.8 u, and 12.2 percent of the sample is an isotope with a mass of 269.9 u. what is the weighted average atomic mass for this element?

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 14:00, Killion2022
Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel
Answers: 1
image
Chemistry, 22.06.2019 14:30, clemsongirl5392
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
Answers: 2
image
Chemistry, 22.06.2019 16:30, blognero
An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
Answers: 3
image
Chemistry, 23.06.2019 01:00, Jasten
The most common form of matter in the universe
Answers: 2
You know the right answer?
Anewly discovered element, y, has two naturally occurring isotopes. 87.8 percent of the sample is an...

Questions in other subjects:

Konu
Spanish, 22.09.2020 15:01