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Chap 17
Periodic Table, Elements, Atoms
12
Science
9th Grade
11/21/2011

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Term
Atom
Definition
The smallest piece of matter that retains the properties of the element.
Term
Man-Made and Naturally Occurring
Definition
Where do elements come from?
Term

Protons-__amu & __charge

Neutrons-__amu & __charge

Electrons-__amu & __charge

Definition

1. 1 & +1

2. 1 & 0

3. 0 & -1

Term

1.Up

2.Down

3.Strange

4.Charm

5.Top

6.Bottom

Definition
6 types of quarks
Term
Quarks have ____ charge
Definition
partial
Term

3 quarks = _ proton

3 quarks = _ neutron

Definition

1. 1

2. 1

Term
Scaled Down
Definition
Allows to see vary large things.
Term
Scaled Up
Definition
Allows to see things that are too small.
Term
Democritus
Definition
Who said that atoms existed in 400 B.C.
Term
5
Definition
How many models were there to display an atom?
Term
Atomic Number
Definition
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