Chapter 1 - Chemistry: The Study of Change (copy)

get a hint

hint

margin of error

margin of error

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

force of gravity

The ________ acting on an object is known as weight.

Mass

________ is a broad attribute that refers to the amount of matter in a particular sample of a substance.

intensive property

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

Chemists

________ can examine the structure of atoms and molecules, which are the fundamental units of chemistry, and create new compounds with specified features.

Chemistry

________ is sometimes referred to as the "core science "because pupils must have a fundamental understanding of the subject.

Oil

________ and water do not mix, and boiling water left on the burner evaporates, as you know from culinary experience.

mathematical description

Law is a succinct verbal or ________ of a constant relationship between events under constant conditions.

Physical attributes

________ include color, melting point, and boiling point.

hypothesis

A(n) ________ is a possible explanation for a set of facts.

methodical approach

A(n) ________ to study is known as the scientific method.

Elements

________ and compounds are both examples of substances.

Chemists' measurements

________ are frequently employed in computations to obtain other quantities.

Homogeneous

________ and heterogeneous mixtures are the two types of mixtures.

experimental findings

If an experiment disproves a theory, it must be rejected or adjusted to make it consistent with ________.

Chemistry

________ is the study of matter and the processes that it goes through.

Chemistry

________ is an old subject, but its contemporary basis was formed in the nineteenth century.