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CHM-101 > Chapter 1: Basic Concepts of Chemistry > Flashcards

Chapter 1: Basic Concepts of Chemistry Flashcards

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1
Q

What is matter?

A

Anything with mass that takes up space

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2
Q

What is an example of matter?

A

Atoms, Molecules, neutrons, protons, electrons

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3
Q

What is Data?

A

A description of characteristics

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4
Q

What is Quantitative Data?

A

Numerical Data

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5
Q

What is Qualitative Data?

A

Appearance
Based Data

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6
Q

What is a hypothesis?

A

An interpretation of observations, that can be proven or disproved.

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7
Q

What is a Law?

A

A summarization of past observations that predicts future observations

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8
Q

What is a Theory?

A

An explanation of why something happens based on gathered evidence, but cannot be proven.

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9
Q

What determines matters behavior?

A

Atoms & Molecules

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10
Q

What is an Atom?

A

A basic unit of matter

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11
Q

What is a molecule?

A

Two or more atoms bonded together

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12
Q

Describe the phases of matter?

A

Solid, Liquid and Gases

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13
Q

Describe the solid state of matter?

A

Matter that has a definite shape and volume

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14
Q

Describe the liquid state of matter?

A

Matter that does not have a definite shape, but does have a definite volume

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15
Q

Describe the gaseous state of matter?

A

Matter that does not have either a definite shape or volume

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16
Q

What is a Pure Substance?

A

Matter with a unchangeable composition

17
Q

What is an Element?

A

A pure substance composed of a single type of atom, that cannot be chemically broken down.

18
Q

What is a compound?

A

A pure element composed of two or more elements

19
Q

A chemical formula does what?

A

Shows which elements are in a compound, as well as its atoms.

20
Q

What is the Chemical Formula for water?

A

H2O

21
Q

What is the Chemical Formula for methane?

A

CH4

22
Q

What is the Chemical Formula for Ammonia?

A

NH3

23
Q

What is a mixture?

A

Two substances physically mixed together

24
Q

What is a homogeneous mixture?

A

A uniform mixture of two or more substances

25
Q

What is a heterogeneous mixture?

A

A non-uniform mixture of two or more substances

26
Q
A

CHM-101 (6 decks)

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