Fundamental Ideas

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  • Created by: Laura
  • Created on: 25-09-14 14:44
What Is An Element?
An Element Is A Substance That Is Only Made Up Of One Type Of Atom.
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What Is A Compound?
A Compound Is A Substance That Is Made Up Of Two Or More Atoms, Chemically Combined. They Are Not Easily Seperated.
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What Is A Mixture?
A Mixture Is An Impure Substance Made Up Of More Than One Type Of Atom But Can Easily Be Seperated.
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What Are Atoms?
Atoms Are Small Particles That Make Up All Substances.
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How Can You Tell What Group An Element Is In Without Looking At The Periodic Table?
Group Number=Outer Shell Electron Number
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How Can You Tell What Period An Element Is In On The Periodic Table?
Period Number=Shell Number (USED)
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How Can You Tell If An Element Is A Noble Gas (Group 0)?
Group 0= All Elements Have A Full Outer Shell Of Electrons.
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Which Is More Reactive; Sodium Or Potassium? How Can You Tell By Looking At The Periodic Table?
Potassium Is More Reactive Because It Is Lower Down the Periodic Table.
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What Does Conservation Of Mass Mean?
Conservation Of Mass Means Keeping The Mass The Same Amount From The Beginning To The End Of A Substance.
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What Does The Word Ion Mean?
Ion Means A Changed Particle Or Atom.
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What Is Ionic Bonding?
Ionic Bonding Occurs Between Metals And Non-Metals. It Involves Losing Or Gaining Electrons To Form Ions.
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What Is Covalent Bonding?
Covalent Bonding Occurs Between Non-Metals. It Involves Sharing Pairs Of Electrons.
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What Are All Substances Made Of?
All Substances Are Made Up Of Tiny Little Atoms.
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How Do You Write Chemical Symbols For An Element?
If There Is A Singular Letter, It Is Capital And If There Is Two Letters, The First Is Capital And The Second Is Lower Case.
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What Is The Atomic Number Of An Atom?
The Atomic Number Is The Number Of Electrons In The Atom In Total.
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What Are The Charges On The Subatomic Particles In An Atom?
Protons Have A Positive Charge, Electrons Have A Negative Charge And Neutrons Have No Charge.
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How Are The Elements Arranged In The Periodic Table?
The Elements Are Arranged In Order Of Their Increasing Atomic Number.
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Why Are Atoms Electrically Neutral?
As The Amount Of Protons In An Atom Are The Same Amount Of Electrons, The Charges Of These Cancel Each Other Out, Making The Atom Electrically Neutral.
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What Is The Mass Number?
The Mass Number Is The Amount Of Neutrons In The Atom.
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How Can You Find The Number Of Neutrons In An Atom?
Atomic Mass-Atomic Number=Number Of Neutrons.
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What Is The Electronic Configuration Of An Atom?
In The First Shell Of An Atom, You Can Only Have Two Electrons. All The Others Can Only Have Up To Eight.
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What Is A Chemical Bond?
A Chemical Bond Is The Attraction Between Atoms That Follow To Form A Chemical Substances.
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Other cards in this set

Card 2

Front

What Is A Compound?

Back

A Compound Is A Substance That Is Made Up Of Two Or More Atoms, Chemically Combined. They Are Not Easily Seperated.

Card 3

Front

What Is A Mixture?

Back

Preview of the front of card 3

Card 4

Front

What Are Atoms?

Back

Preview of the front of card 4

Card 5

Front

How Can You Tell What Group An Element Is In Without Looking At The Periodic Table?

Back

Preview of the front of card 5
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