Elements

Front

Element Noun

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[el-uh-muhnt]

Back

Element

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A fundamental substance that cannot be broken down into simpler substances by chemical means; the basic building block of matter.

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Example: An oxygen atom diagram showing protons, neutrons, and electrons illustrates the basic structure of an element.

Front

Matter Noun

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[mat-er]

Back

Matter

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Anything that has mass and takes up space, composing all physical substances in the universe.

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Example: The image shows various objects like a chair, computer, and plant, all of which have mass and occupy space, illustrating the concept of matter.

Front

Chemistry Noun

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[kem-uh-stree]

Back

Chemistry

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The scientific study of matter, its properties, and the changes it undergoes when interacting with other matter.

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Example: Mixing iron with hydrochloric acid creates gas bubbles, showing a chemical reaction.

Front

Properties Noun

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[prop-er-teez]

Back

Properties

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The specific characteristics or attributes of a substance, such as its color, mass, density, or reactivity.

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Example: Different materials like wood, metal, and plastic have unique properties such as hardness or flexibility.

Front

Chemical Properties Noun

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[kem-i-kuhl prop-er-teez]

Back

Chemical Properties

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Characteristics of a substance that describe its ability to change into a new substance through a chemical reaction.

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Example: The image shows methane and oxygen reacting to form carbon dioxide and water, illustrating chemical properties.

Front

Physical Properties Noun

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[fiz-i-kuhl prop-er-teez]

Back

Physical Properties

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Characteristics of a substance that can be observed or measured without changing the substance's chemical identity.

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Example: Gold bars show physical properties like color and luster.

Front

Mass Noun

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[mas]

Back

Mass

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A measure of the amount of matter contained within a physical body or object.

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Example: A balance scale shows a feather and a rock, illustrating different amounts of matter.

Front

Periodic Table Noun

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[peer-ee-od-ik tey-buhl]

Back

Periodic Table

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A chart that organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.

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Example: The periodic table organizes elements by atomic number and properties, using colors to show different groups.

Front

Symbol Noun

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[sim-buhl]

Back

Symbol

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A one or two-letter abbreviation used to represent a specific chemical element on the periodic table.

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Example: The image shows the chemical symbol 'O' for oxygen, with atomic number and weight, teaching students about element symbols.

Front

Groups Noun

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[groops]

Back

Groups

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The vertical columns in the periodic table, where elements share similar chemical properties due to similar valence electron configurations.

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Example: The periodic table shows groups as vertical columns where elements have similar properties.