Chapter 1 - Chemistry: The Study of Change

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Chemical problems

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Chemistry

11 Terms

1

Chemical problems

________ involve a number of mathematical skills.

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2

Experiments

________ are made to find a relationship between the hypothesis and the observations to determine if an assumption is true or false.

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3

successful experiments

A hypothesis can become a theory after repeated ________.

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4

Place values

________ are identified, positive and negative values are used to calculate percentages and equations are resolved and graphs are interpreted.

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5

scientific record

The power of 10 is negative if a number below 1 is written in the ________.

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6

reactions of matter

The composition, structure, properties, and ________ are examined in chemistry.

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7

scientific method

The ________ is a method that begins with observations, hypothesis forming, and testing to explain natural phenomena.

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8

Margin of error

The ________ in a measurement is indicated using significant figures, which are the meaningful digits in a measured or calculated quantity.

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9

Force of gravity

The ________ acting on an object is known as weight.

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10

Intensive property

A(n) ________ is a density, which is defined as the mass of an object divided by its volume.

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11

Physical attributes

________ include color, melting point, and boiling point.

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