AnswersEA Academy Online Learning and Digital Citizenship Elective SpringUnit Test — Cumulative examQuestion 99
99
QuizMultiple Choice
Unit Test — Cumulative exam
Question 99 • EA Academy Online Learning and Digital Citizenship Elective Spring
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below.
Answer
A
A few of the positive particles aimed at a gold foil seemed to bounce back off of the thin metallic foil.B
Experiments with water vapor showed that elements combine in specific proportions.C
Equations were used to identify regions around the nucleus where electrons would likely be.D
Cathode rays were bent in the same way whenever a magnet was brought near them.