PS-2 Vocab (8th) Flashcards

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1
Q

Physical property

A

A property of matter that can be observed or measures without changing the identity of the matter

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2
Q

Chemical property

A

A property of matter that describes a substance based on its ability to change into a new substance with different properties

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3
Q

States of matter

A

The physical forms when which a substance can exist: states include liquid, solid, gas, and plasma

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4
Q

Solid

A

The state in which matter has a definite shape and volume

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5
Q

Liquid

A

A state in which matter takes a shape of its container and has a definite volume

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6
Q

Gas

A

The state in which matter changes both in shape and volume

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7
Q

Plasma

A

The state of matter that does not have a definite shape or volume and his particles have broken apart; plasma is composed of electrons in positively charged ions

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8
Q

Element

A

A pure substance that cannot be separated or broken down by into simpler substances using physical or chemical means

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9
Q

Kinetic Theory Of Matter (Particle Theory of Matter)

A

The theory that all matter is made up of tiny particles that are in constant motion

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10
Q

Density

A

The amount of matter in a given space

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11
Q

Atom

A

The smallest particle in which an element can be divided and still be the same substance

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12
Q

Conductivity

A

A measure of the ability of a given substance to conduct electric current

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13
Q

Combustibility (combustion)

A

The burning of fuel; the process in which fuel combines with oxygen in a chemical change that produces thermal energy

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14
Q

Solubility

A

The ability to dissolve in another substance

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15
Q

Reactivity

A

The relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound

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16
Q

Acidity

A

The level of acid and substances (pH lower than seven)

17
Q

Matter

A

Anything that has volume and mass