Misconception or True? Atoms and Subatomic particles

Misconception or True? Atoms and Subatomic particles

Assessment

Flashcard

Chemistry

9th Grade

Practice Problem

Hard

Created by

Alex English

FREE Resource

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5 questions

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1.

FLASHCARD QUESTION

Front

Atoms are the smallest particles of matter and cannot be divided.

Back

False - Atoms consist of subatomic particles: protons, neutrons, and electrons.

2.

FLASHCARD QUESTION

Front

Electrons orbit the nucleus in defined shells.

Back

True - Electrons occupy energy levels (shells) around the nucleus.

3.

FLASHCARD QUESTION

Front

Neutrons have a negative charge.

Back

False - Neutrons are neutral; no charge

4.

FLASHCARD QUESTION

Front

Protons and electrons are found in the nucleus.

Back

False. Only protons and neutrons are in the nucleus; electrons are outside.

5.

FLASHCARD QUESTION

Front

All atoms of an element have the same number of protons.

Back

True. Atomic number = number of protons, which defines the element.