Want to see correct answers?
Login or join for free!
  Chemistry Worksheets
Looking for Chemistry worksheets?
Check out our pre-made Chemistry worksheets!
Share/Like This Page
Filter By Grade

You are browsing Grade 8 questions. View questions in All Grades.

Grade 1 Grade 4 Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12 College Graduate

Eighth Grade (Grade 8) Atomic Structure Questions

You can create printable tests and worksheets from these Grade 8 Atomic Structure questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Page 2 of 6 Next
Grade 8 Atomic Structure
An atom becomes negatively charged by                    .
  1. gaining an electron
  2. losing an electron
  3. losing a proton
  4. gaining a neutron
Grade 8 Atomic Structure
A proton has approximately the same mass as                  .
  1. a neutron
  2. a beta particle
  3. an alpha particle
  4. an electron
Grade 8 Atomic Structure

This question is a part of a group with common instructions. View group »

Grade 8 Atomic Structure
What did J.J. Thomson's experiment show?
  1. The atom is like a uniform sphere.
  2. Cathode rays are made up of electrons.
  3. All atoms undergo radioactive decay.
  4. Isotopes undergo radioactive decay.
Grade 8 Atomic Structure
The diagram represents Rutherford's Gold Foil experiment. Which statement is a conclusion that came from this experiment?
Rutherford Atomic Model #1
  1. Electrons orbit the nucleus in rings at set distances.
  2. The nucleus of an atom is made of protons and neutrons.
  3. The probable location of electrons can be predicted using a cloud model.
  4. Most of an atom is empty space and its mass is concentrated in its center.
Grade 8 Atomic Structure

This question is a part of a group with common instructions. View group »

Which statement correctly compares the number of protons in oxygen and carbon?
  1. carbon has 2 more protons than oxygen
  2. oxygen has 2 more protons than carbon
  3. carbon has 4 more protons than oxygen
  4. oxygen has 4 more protons than carbon
Grade 8 Atomic Structure
Grade 8 Atomic Structure
Which of the following describes what is represented by the symbol Cl-?
  1. an ionic compound
  2. a polar molecule
  3. a negative ion
  4. a positive ion
Grade 8 Atomic Structure
The space surrounding the nucleus is called the
  1. electron cloud.
  2. ionic field.
  3. nucleus field.
  4. proton cloud.
Grade 8 Atomic Structure
Which of the following best describes an atom?
  1. a core of protons and neutrons surrounded by electrons
  2. protons and electrons grouped together in alternating pattern
  3. a core of protons and neutrons surrounded by protons
  4. protons and electrons grouped together in a random pattern
Previous Page 2 of 6 Next