Understanding Atomic Theories

Understanding Atomic Theories

Assessment

Flashcard

Science

9th Grade

Practice Problem

Hard

Created by

Kim Gonzales

Used 1+ times

FREE Resource

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7 questions

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1.

FLASHCARD QUESTION

Front

First to propose the idea of atoms as indivisible particles

Back

Democritus' Contribution

2.

FLASHCARD QUESTION

Front

Atoms are indivisible, identical in an element, and combine in whole-number ratios

Back

John Dalton's Atomic Theory

3.

FLASHCARD QUESTION

Front

Plum Pudding Model

Back

Thomson's model with electrons in a positive "soup"

4.

FLASHCARD QUESTION

Front

Dense nucleus with electrons orbiting around it

Back

Rutherford's Atomic Model

5.

FLASHCARD QUESTION

Front

Electrons in fixed orbits with quantized energy levels

Back

Niels Bohr's Model

6.

FLASHCARD QUESTION

Front

Distribution of electrons in an atom's orbitals

Back

Electron Configuration

7.

FLASHCARD QUESTION

Front

Electrons in the outermost shell, important for chemical bonding

Back

Valence Electrons

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