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Taylor dB Flashcards

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1
Q

What is melting point

A

The Temperature at which a solid becomes liquified

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2
Q

What did JJ Thompson Find out

A

Atoms contain negativity charged particles within the atoms nucleus

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3
Q

What is an Atom

A

The smallest particle of an element that retains the properties of that element

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4
Q

What is an electron

A

negatively charged particles surrounding the atomic nucleus

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5
Q

What is Physical Change

A

A change in matter in which the appearance many change but no chemical bonds are broken or made

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6
Q

Solidification

A

Change of state from a liquid to a solid (as known as freezing

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7
Q

Particles in a Solid

A

Compact, only vibrate and has a fixed mass

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8
Q

Particles in a liquid

A

loose but still close, slide past each other , has fixed mass and takes the shape of the container

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9
Q

Neutron

A

An uncharged particle in the atomic nucleus

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10
Q

Particles in a Gas

A

Far apart, not fixed mass or volume, fills shape of container, travel in straight lines until hits something

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11
Q

Ernest Ruthfords model

A

Solar system model - Draw it

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12
Q

Proton

A

Positively charged particle in the atomic nucleus

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13
Q

Daltons Atomic theory

A

The billiard Ball mode “mickey Mouse”

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14
Q

JJ Thompson

A

found out that Atoms contain negatively charged particles called electrons

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15
Q

Nucleus

A

The positively charged center of the atom contains protons and neutrons

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16
Q

Malleable

A

of a metal material - able to be hammered or pressed out of shape without breaking or cracking

17
Q

Qualitative

A

Properties measured by words not numbers

18
Q

Quantitative

A

Properties measured by numbers not words

19
Q

Density

A

A ratio of materials mass to its volume

20
Q

Conductive

A

Ability to conduct electricity or heat

21
Q

Subatomic Particles

A

Particles such as protons, neutrons, electrons that are smaller than atoms

22
Q
A
23
Q

Vicosity

A

The state of being thick sticky and semi-fluid due to internal friction

24
Q

Bohr

A

Found that electrons surrounded the nucleus in specific engergy levels of shells

25
Q

Chemical Change

A

A change in matter which chemical bonds are formed and broken which produces a new substance

26
Q

Boiling Point

A

The temperature at which liquid changes to gas

27
Q

KMT

A

The kenetic molecular theory is a theory of motion

28
Q

Hazardous Labels

A

4 symbols : explosive, flamable, corrosive, posonious

29
Q

Dalton

A

Found that matter is made up of small particles called atoms

30
Q
A

Science Flash Cards (2 decks)

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