Chemistry, 12.12.2020 17:00 actheorian8142
Select all the statements that best describe an atom.
A. contains subatomic particles named the proton, neutron, and electron
B. is the smallest particle of an element that retains its identity in a chemical reaction
C. has no net charge and has a cloud surrounding a dense inner core
D. is the largest particle of an element that retains its identity in a chemical reaction
E. is exactly the same as every other atom and has the same properties
Answers: 3
Chemistry, 21.06.2019 20:00
2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4
Answers: 1
Chemistry, 22.06.2019 14:00
How is the atomic number of a nucleus changed by alpha decay
Answers: 2
Select all the statements that best describe an atom.
A. contains subatomic particles named the pro...
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