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physical science > matter/Johnathan > Flashcards

matter/Johnathan Flashcards

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Biology 101 flashcards
0
Q

What is Matter?

A

Anything with mass and takes up space.

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1
Q

What is Chemistry?

A

It’s a scientific study of the composition, structure, and the properties of matter that the undergoes and rates the change,

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2
Q

What is Element?

A

Substance that can’t be seperated or broken.

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3
Q

What is Mixture?

A

Two or more substances that are combined but not chemically.

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4
Q

What is Pure Substance?

A

A sample of matter that is singled element or compounded that has physical properties and definitely chemical.

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5
Q

What is Chemical Formula?

A

Represents substance from the combination of numbers and chemical symbols.

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6
Q

What is Miscible?

A

Gasoline is composed of it and it’s a mixture of at least 100 liquids in it.

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7
Q

What is Immiscible?

A

Oil and water are together.

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8
Q

What is Homogeneous mixture?

A

Formed by sugar and water because of the components being evenly distributed.

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9
Q

What is Heterogeneous mixture?

A

Not evenly distributed like the flour doesn’t dissolve in the water.

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10
Q

What is a Atom?

A

Smallest unit of a element that also maintains the properties of the element.

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11
Q

What is a compound?

A

Made up of two or more atoms or more chemically element combined.

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12
Q

What is molecules?

A

Smallest unit on the substance that keeps all of the physical and chemical properties of that substance.

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13
Q

What is melting point?

A

The picture and pressure where a solid transforms into a liquid.

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14
Q

What is boiling point?

A

The temperature when a Liguria becomes a gas.

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15
Q

What is density?

A

Ratio of mass and volume of a substance.

16
Q

What is reactivity?

A

Ability to combine chemically with other substances.

17
Q

What is flammability?

A

The ability for a substance to react to oxygen and burn when exposed to a flame.

18
Q

What is chemical property?

A

Not as easy to play observe has physical properties and a example is that magnesium was so reactive that it was used to make emergency flares.

19
Q

What is a physical property?

A

You can observe without the identity of the properties.

20
Q

What is physical change?

A

from one form to another without changing chemical properties, but with change in matter.

21
Q

What is chemical change?

A

Changes composition when it forms one or more new substances.

physical science (9 decks)

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