C1.1 Fundermental Chemistry Revision

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  • Created by: Lena Fray
  • Created on: 08-02-16 17:43
What is an atom?
is the smallest piece of a substance than can exist, which makes up everything.
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What are the 3 components of an atom?
Neutron, Proton and Electrons
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What charge does an atom have?
Nothing it neutral
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Where are protons and neutrons?
In the nucleus
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What is the relative charge of each component?
P = +1, N = 0, E= -1
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What is the relative mass of each?
P = 1, N= 1, E= 0
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What does the periodic group tell you about the atom?
How many electrons are on the outer shell
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What does the periodic period tell you about the atom?
The number of shells the atom has.
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What does the relative mass number (top) tell you about the atom?
The number of protons + neutrons
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What does the Proton number (bottom) tell you about the atom?
The number of proton which = the number of electrons
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How do you work out the number of neutrons in an atom?
Minus the proton number from the relative mass number.
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What is the max number of electrons in the first shell/energy level?
2
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What is the max number of electrons in the all shell/energy level except the first?
8
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Why do atoms want a full outer shell?
Because they are stable when they have a full outer shell.
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What is an element?
A collection of one type of atom.
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Why are atoms in groups?
Because they react in similar ways.
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What happens if the atom loses or gains an electron?
Gains = negative charge, Lose=Positive charge
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What is a compound?
2 or more elements bonded together.
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What is a mixture?
2 or more atoms not bonded together.
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Why is the mass of an element/compound the same before and after a reaction?
Because there is the same amount of elements before and after, they are just ended differently.
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What is covalent bonding?
When atoms bond together by sharing electrons, to complete there outer shell.
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Between what substances does covalent bonding occur?
Non-metal elements
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What is ionic bonding?
When atoms bond together by transferring electrons to fill there outer shell.
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Between what substances does ionic bonding occur?
A metal and a non metal
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What does ionic bonding form?
electrically charged ions
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Other cards in this set

Card 2

Front

What are the 3 components of an atom?

Back

Neutron, Proton and Electrons

Card 3

Front

What charge does an atom have?

Back

Preview of the front of card 3

Card 4

Front

Where are protons and neutrons?

Back

Preview of the front of card 4

Card 5

Front

What is the relative charge of each component?

Back

Preview of the front of card 5
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