Atoms

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  • Created by: Hope
  • Created on: 28-05-14 13:03
What do nucleus' contain?
Protons and neutrons
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What is a neutrons charge?
Neutral
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What is a protons relative charge?
+1
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What is an electrons relative charge?
-1
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What is an element made out of?
One type of atom
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In the periodic table what are the horizontal rows called?
Periods
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In the periodic table what are the verticle columns called?
Groups
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Complete this sentence: The number of electrons in an atom is....
Equal to the number of protons in its nucleus
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What is the atomic number of an atom?
The number of protons it contains
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What is the mass number of an atom?
The total number of protons and neutrons it contains
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Why are group 1 metals called alkali metals?
Because they form alkaline compounds
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Complete this sentence: Lithium, sodium and potassium all react vigorously with water to form....
Metal hydroxide and hyrdogen
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Complete this sentence: Group 1 metals react vigorously with oxygen...
To form metal oxides
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What are the group 0 elements called and why?
They are called noble gases and because they are very unreactive
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What happens when elements react with eachother?
Their atoms join with other atoms to form compounds
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Complete this sentence: Metal atoms lose electrons to....
Form positively charged ions
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Complete this sentence: Non metal atoms gain electrons to....
Form negatively charged ions
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Other cards in this set

Card 2

Front

What is a neutrons charge?

Back

Neutral

Card 3

Front

What is a protons relative charge?

Back

Preview of the front of card 3

Card 4

Front

What is an electrons relative charge?

Back

Preview of the front of card 4

Card 5

Front

What is an element made out of?

Back

Preview of the front of card 5
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