Chemistry, 23.10.2020 18:00 Queenashley3232
Naturally occurring Strontium (Sr) consists of the four stable isotopes below and has an average atomic mass of
87.62 amu. Based on only this data, select the isotope that is MOST abundant, or choose E. if insufficient
information is provided to make a conclusion.
Strontium Isotope Isotopic Mass (amu)
A. Strontium-84 83.9134
B. Strontium-86 85.9092
C. Strontium-87 86.9088
D. Strontium-88 87.9056
E. Cannot determine from information provided.
Answers: 3
Chemistry, 21.06.2019 22:30
What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)
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Chemistry, 22.06.2019 09:00
Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?
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Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
Answers: 1
Naturally occurring Strontium (Sr) consists of the four stable isotopes below and has an average ato...
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