Formula to Calculate Density

Divide mass (g) by volume (either mL or cm3) - the answer is the mass of 1 mL (1 cm3).

A measure of the amount of motion the particles have.

The force exerted by particles as they collide with a surface.

The force exerted by the O2 and N2 particles in the air - 14.7 pounds per square inch.

The ability for a substance to dissolve in a solvent.

The substance that is dissolved; it makes up the smaller percentage of the solution.

The substance that is doing the dissolving; it makes up the greater percentage of the solution.

The mixture created when a solute dissolves in a solvent.

A solution in which water is the solvent.

Unable to dissolve in a solvent.

Most energy, most space between particles, no attraction to neighbors, zip around randomly and bounce off neighbors.

Characteristics of Liquids

More energy than solids but less than gases, weak attraction to neighbors, slide by neighbors and constantly getting new neighbors.

Characteristics of Solids

Least energy, particles are closest together, strongest attraction to neighbors, particles stuck in one position and just vibrate, always have the same neighbors.

Changes that cause a sample to appear differently but did not change the chemical composition of the particles in the sample.

Boiling vs. Condensation Point

Boiling Point of H2O - 100°C (212°F); Condensation Point of H2O - 100°C (212°F).

Melting vs. Freezing Point

Melting Point of H2O - 0°C (32°F); Freezing Point of H2O - 0°C (32°F).

Particles change from one state of matter to another.

A sample in which every particle is identical.

A sample in which at least one particle is different from the others.

Heterogeneous Mixture

A mixture that contains particles that are visibly different from one another - easy to tell it is a mixture.

A mixture that contains particles that are similar in size or appearance and are impossible to tell apart.

A homogeneous mixture (solution) of other elements dissolved in a metal.

Dump particles together - they occupy the same space but are not chemically bonded.

Mixtures can be separated by physical means since the particles are not chemically bonded together.

The liquid that passes through the pores of the filter paper.

1-2 Vocab - Flashcards Flashcards

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40 questions

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1.

FLASHCARD QUESTION

Front

Physical Properties

Back

Characteristics we can observe or measure without changing the chemical composition of the particles in the sample.

2.

FLASHCARD QUESTION

Front

Composition

Back

What the particles in the sample consist of.

3.

FLASHCARD QUESTION

Front

Mass

Back

The amount of matter in a sample; depends on types and quantity of atoms.

4.

FLASHCARD QUESTION

Front

Volume

Back

The amount of space something takes up.

5.

FLASHCARD QUESTION

Front

Matter

Back

Anything that has mass and volume; it consists of particles.

6.

FLASHCARD QUESTION

Front

Density (mathematical definition)

Back

The mass of a 1 mL (1 cm³) sample.

7.

FLASHCARD QUESTION

Front

Density (description)

Back

How closely packed the particles in a sample are.

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