What is the Electron Cloud Model?
Atomic Theory Timeline

Flashcard
•
Science
•
8th - 12th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The Electron Cloud Model describes the atom as having a nucleus surrounded by a cloud of electrons that are in constant motion, rather than in fixed orbits.
2.
FLASHCARD QUESTION
Front
What material did Rutherford's team use in their gold foil experiment?
Back
Rutherford's team used gold foil to conduct their experiment, which helped to discover the nucleus of the atom.
3.
FLASHCARD QUESTION
Front
How did Rutherford's model differ from Thomson's model of the atom?
Back
Rutherford proposed that the positive charge is concentrated in the center of the atom (nucleus), while Thomson's model suggested that electrons were distributed throughout a positively charged 'plum pudding'.
4.
FLASHCARD QUESTION
Front
What is the current understanding of atomic structure?
Back
Atoms are mostly empty space, with a small nucleus at the center and electrons that swarm around it.
5.
FLASHCARD QUESTION
Front
Which of Dalton's atomic theories is no longer accepted?
Back
The idea that atoms are solid masses that can't be split into smaller particles is no longer accepted.
6.
FLASHCARD QUESTION
Front
Who proposed the first modern atomic theory?
Back
John Dalton proposed the first modern atomic theory in the early 19th century.
7.
FLASHCARD QUESTION
Front
What did Bohr contribute to atomic theory?
Back
Niels Bohr proposed that electrons orbit the nucleus in fixed paths or energy levels.
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
History of the Atom

Flashcard
•
9th - 12th Grade
15 questions
Atomic Structure Flashcardizz Review

Flashcard
•
9th - 12th Grade
15 questions
Review - Atomic Theory & Electrons

Flashcard
•
9th - 12th Grade
12 questions
Atomic Theory

Flashcard
•
9th - 12th Grade
15 questions
Atomic structure

Flashcard
•
8th - 12th Grade
15 questions
Emission Spectrum / Atom Review

Flashcard
•
9th - 12th Grade
15 questions
Bohr Models

Flashcard
•
8th - 12th Grade
15 questions
Protons, Neutrons, and Electrons

Flashcard
•
8th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade
Discover more resources for Science
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade