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HChem, Unit 2 Vocabulary

HChem, Unit 2 Vocabulary

Assessment

Flashcard

Physics

9th - 12th Grade

Practice Problem

Easy

Created by

Michelle Girage

Used 4+ times

FREE Resource

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47 questions

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1.

FLASHCARD QUESTION

Front

Atomic theory

Back

A scientific theory of the nature of matter, which states that matter is composed of discrete units called atoms.

2.

FLASHCARD QUESTION

Front

Atom

Back

The smallest unit of ordinary matter that forms a chemical element.

3.

FLASHCARD QUESTION

Front

Element

Back

A substance that cannot be broken down into simpler substances by chemical means.

4.

FLASHCARD QUESTION

Front

John Dalton

Back

An English chemist, physicist, and meteorologist who is best known for introducing the atomic theory into chemistry.

5.

FLASHCARD QUESTION

Front

JJ Thomson

Back

A physicist who discovered the electron and proposed the plum pudding model of the atom.

6.

FLASHCARD QUESTION

Front

Thomson Cathode Ray

Back

Experiments conducted by JJ Thomson that led to the discovery of the electron.

7.

FLASHCARD QUESTION

Front

Ernest Rutherford

Back

A physicist who discovered the nucleus of the atom through the gold foil experiment.

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