Chapter 1 Flashcards by John Wade | Brainscape

Q

The smallest particle of an element that keeps the properties of the element.

A

Atom

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Q

Properties that depend upon the amount of matter present in a sample.

A

Extensive properties

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Q

A form of matter that contains two or more elements chemically combined in a fixed proportion.

A

Compound

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Q

A synonym for “homogeneous mixture.”

A

Solution

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Q

A mixture that contains physically distinct parts, each with different properties. Has two or more phases.

A

Heterogeneous mixture

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Q

The study of matter and its changes.

A

Chemistry

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Q

Elements in the same _______ have similar chemical properties.

A

Group

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Q

A substance present after a chemical reaction (water in this case).

A

Product

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Q

Anything that has mass and takes up space.

A

Matter

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Q

A form of matter having a definite shape and volume.

A

Solid

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Q

Dull non-conductors, found to the right of the metalloids.

A

Non-metals

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Q

A mixture that is uniform in its properties throughout given samples.

A

Homogeneous mixture

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Q

Label the diagram showing the different categories of matter:

A

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Q

Vertical columns in the periodic table.

A

Groups

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Q

Horizontal rows in the periodic table.

A

Periods

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Q

A substance present before a chemical reaction (hydrogen and oxygen in this case).

A

Reactant

Q

Properties that can be observed or measured without changing the identity of the matter.

A

Physical properties

Q

A form of matter having a definite volume but indefinite shape.

A

Liquid

Q

A form of matter that includes both elements and compounds.

A

Pure Substances

Q

A form of matter having neither definite shape nor volume.

A

Gas

Q

A change in a material that does not involve a change in its identity.

A

Physical change

Q

Refers to the ability of a substance to undergo a specific chemical change.

A

Chemical property

Q

Properties that do not depend upon the amount of matter present in a sample

A

Intensive properties

Q

The elements in group VIIIA.

A

Noble Gases

Q

A high temperature physical state of matter in which atoms lose most of their electrons.

A

Plasma

Q

Elements that have properties intermediate between those of metals and non-metals. Shown in green on this periodic table.

A

Metalloids

Q

Shiny conductors of heat and electricity, found to the left of the metalloids. Shown in blue on this periodic table.

A

Metals

Q

A change in which one or more forms of matter are changed into one or more new forms of matter.

A

Chemical change (reaction)

Q

A form of matter that cannot be chemically broken down into a simpler form of matter.

A

Element

Q

A physical blend of two or more components that keep their own identities.

A

Mixture

Q

A form of matter having a fixed composition.

A

Pure substance

Q

Explain what happens in each different section of the heating curve. If this curve represents water at sea level, what temperatures do B and D correspond with?

A

B - 0°C; D - 100°C