Matter Jasimen licht Flashcards

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0
Q

What is matter

A

Anything you can hold or touch, and anything that occupies space

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1
Q

What is chemistry

A

All about what things are made of, what their properties are, and how they interact and change, almost like mixing color together and sees what happens

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2
Q

What is element

A

A substance that cannot separated or broken down into simpler substances by chemical means

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3
Q

What is atom

A

Elements made of only one kind, everything is made of atoms

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4
Q

What is compound

A

A substance made up of atoms of two or more different elements joined by chemical bonds

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5
Q

What is a molecule

A

The smallest unit of a substance that keeps all of the physical and chemical properties of that substance

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6
Q

What is a chemical formula

A

A combination of chemical symbols and numbers to represent a substance

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7
Q

What is pure substance

A

Matter that has a fixed composition and definite properties

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8
Q

What is a mixture

A

A combination of two or more substances that are not chemically combined

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9
Q

What is heterogeneous mixture

A

Substances that aren’t mixed uniformly and are not evenly distributed

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10
Q

What is homogeneous mixture

A

Components are evenly distributed, and the mixture is the same throughout

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11
Q

What is miscible

A

Liquids that are mix-able

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12
Q

What is immiscible

A

Liquids that can not mix like oil and water they just layer and don’t mix

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13
Q

What is melting point

A

The temperature and pressure at which a solid becomes a liquid

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14
Q

What is boiling point

A

The temperature at which a liquid becomes a gas

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15
Q

What is density

A

Is light in comparison with something else of the same volume

16
Q

What is reactivity

A

Chemical properties that react with a different substance or the ability of a substance to combine chemically with another substance

17
Q

What is flammability

A

The ability to burn like wood had the ability to burn

18
Q

What is physical properties

A

You cannot change the identity of the substance, and you can see the color

19
Q

What is chemical property

A

You cannot not see the color or other properties of the chemical

20
Q

What is physical change

A

Affects the form of chemical substance

21
Q

What is chemical change

A

Any change in results in the formation of a new chemical substance