Matter Keywords

Matter Keywords

Assessment

Flashcard

Chemistry

7th Grade

Hard

Created by

Henny van Vuuren

FREE Resource

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46 questions

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1.

FLASHCARD QUESTION

Front

Atom

Back

The smallest unit of an element that retains the properties of that element. It consists of a nucleus surrounded by electrons.

2.

FLASHCARD QUESTION

Front

Particle

Back

A small portion of matter. Particles can be subatomic, such as protons, neutrons, and electrons.

3.

FLASHCARD QUESTION

Front

Proton

Back

A positively charged subatomic particle found in the nucleus of an atom. It determines the atomic number of an element.

4.

FLASHCARD QUESTION

Front

Electron

Back

A negatively charged subatomic particle that orbits the nucleus of an atom. Electrons are involved in chemical bonding and electricity.

5.

FLASHCARD QUESTION

Front

Neutron

Back

A subatomic particle with no electric charge, found in the nucleus of an atom. Neutrons contribute to the mass of an atom and provide stability to the nucleus.

6.

FLASHCARD QUESTION

Front

Mass number

Back

The total number of protons and neutrons in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

Atomic Number

Back

The number of protons in the nucleus of an atom, which defines the element.

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