
Atoms
Presentation
•
Science
•
8th Grade
•
Hard
James Gonzalez
FREE Resource
3 Slides • 3 Questions
1
By GIRLIE DIONISIO
2
Multiple Choice
_____ 1. Who first proposed that matter is composed of tiny, indivisible particles?
a. Aristotle
b. Dalton
c. Democritus
d. Rutherford
3
Multiple Choice
_____ 2. Who is the scientist credited for the discovery of electron in his experiment using cathode ray tube?
a. Bohr
b. Dalton
c. Democritus
d. Thomson
4
Multiple Choice
_____ 3. Who is the scientist credited for the discovery of the positive central core of an atom using emission of alpha particles in a thin sheet of gold foil?
a. Dalton
b. Democritus
c. Rutherford
d. Thomson
5
Some text here about the topic of discussion
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This module provides varied activities that will help you learn about essential information about an atom, its subatomic particles, and the development of atomic theory.
At the end of this module, you are expected to:
• identify the different subatomic particles;
• identify elements using chemical symbols;
• determine the number of protons, neutrons, and electrons in a particular atom; and • describe the features of atomic theory using the characteristics of atomic models.
Some text here about the topic of discussion
By GIRLIE DIONISIO
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