subject
Chemistry, 22.04.2021 01:00 hannahcolleen4895

Question 3 (5 points) (02.01 MC)
Which of the following observations indicates that an atom has neutrons? (5 points)

Some uncharged particles are scattered by a beryllium atom when it hits a gold foil.

Some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles.
A radiation with neutral particles is emitted when alpha particles strike beryllium atoms.

A radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
question
Chemistry, 23.06.2019 03:30
Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon
Answers: 1
question
Chemistry, 23.06.2019 04:31
One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus
Answers: 1
question
Chemistry, 23.06.2019 09:40
Is cutting your nails a physical or chemical change
Answers: 2
You know the right answer?
Question 3 (5 points) (02.01 MC)
Which of the following observations indicates that an atom...
Questions
question
Mathematics, 26.08.2020 22:01
question
Mathematics, 26.08.2020 22:01
question
Business, 26.08.2020 22:01
question
Mathematics, 26.08.2020 22:01
Questions on the website: 13722367