subject
Chemistry, 20.09.2019 20:00 hahHcjckk

An isotope undergoes radioactive decay. the new isotope that forms has an atomic number that is 2 less than the original isotope’s.
which kind of decay has occurred, and how do you know?
alpha decay because alpha particles have a large mass
beta decay because beta particles can have negative charge
alpha decay because alpha particles have two protons and two neutrons
gamma decay because gamma rays are photons

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
Answers: 2
question
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
question
Chemistry, 22.06.2019 18:30
Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years
Answers: 2
question
Chemistry, 22.06.2019 20:30
Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206
Answers: 2
You know the right answer?
An isotope undergoes radioactive decay. the new isotope that forms has an atomic number that is 2 le...
Questions
question
Biology, 23.09.2019 05:30
question
Biology, 23.09.2019 05:30
question
Chemistry, 23.09.2019 05:30
Questions on the website: 13722367