Section 1

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Last updated

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Date created

Mar 1, 2020

Cards (33)

Section 1

(33 cards)

Atom

Front

An _____ is the smallest existing particle of an element that still has properties of element.

Back

Pure substance

Front

A _____ _____ cannot be separated into other kinds of matter by physical means

Back

Chemical formula

Front

Symbols of the elements in a compound are the _____ _____.

Back

Heterogeneous mixture

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: iced tea

Back

Chemical property

Front

Cu reacting to air to form CuO (like the Statue of Liberty) is an example of:

Back

Compound

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: table salt

Back

Heterogeneous mixtures

Front

Sand in water or water & oil are examples of:

Back

Physical property

Front

_____ _____: Observed without changing the composition of the substance.

Back

Homoatomic molecule

Front

In a _____ _____ (or element), all atoms are of the same element.

Back

Chemical property

Front

_____ _____: Observed when one substance changes to form a new substance.

Back

Pure substance, mixtures, elements, compounds

Front

Classifications of matter are:

Back

Elements

Front

Gold, silver, and copper are examples of:

Back

Element

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: aluminum can

Back

Diatomic molecules

Front

H2O, O2, N2, F2, CI2, Br2, and I2 are all _____ _____.

Back

Element

Front

An _____ cannot be broken down into other pure substances

Back

Mixtures

Front

Salt water and air are examples of:

Back

Heteroatomic molecules

Front

H2O, CO2, N204, C12H22O11 are examples of:

Back

Heteroatomic molecules

Front

_____ _____ (or compounds) are atoms of two or more elements.

Back

Homogeneous

Front

A _____ mixture is the same throughout and contains only one phase.

Back

Solution

Front

Homogeneous mixture is also called a

Back

Physical property

Front

Color, odor, physical state, density, and boiling point are examples of:

Back

Compound

Front

A _____ is composed of two or more elements that are chemically combined.

Back

Temperature

Front

Physical state is dependent on:

Back

Molecule

Front

A _____ is a group of two or more atoms tightly bound together.

Back

Physical change

Front

Boiling or freezing water and tearing paper are examples of:

Back

Solid, liquid, gas

Front

The three physical states of matter are:

Back

Compound

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: laughing gas

Back

Mixture

Front

A _____ is a combination of two or more pure substances.

Back

Heterogeneous mixture

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: chocolate chip cookie

Back

Element

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: copper wire

Back

Heterogeneous

Front

A _____ mixture is two or more phases with definite boundaries.

Back

Homogeneous mixture

Front

Classify the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: hot tea

Back

Chemical change

Front

When one substance changes into another substance, this is a:

Back