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15
×
The electrons fill the levels and sublevels, starting with the level .... (closest/furthest) to the nucleus.
Closest
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25
×
Who said that "the positive charge of atoms in concentrated in a tiny central area"?
Rutherford
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25
×
In Rutherford's atomic model, the electrons are _______ing around the nucleus.
orbit(ing)
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seesaw
Swap points!
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star
Double points!
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gift
Win 20 points!
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thief
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25
15
×
Describe Daltons atomic model
He thought that atoms are tiny hard spheres
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15
×
In Rutherford's model, where are the protons, neutrons and electrons?
Protons and neutrons in the centre, electrons outside
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25
×
When an atom has less electrons that protons, it is called a __________?
cation
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15
×
Dalton believed that atoms of the same element were all the same. In what way are they the same?
They have the same mass, size and properties
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15
×
That is the distribution of electrons in the 3rd level?
2 6 10
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15
×
Who was the first person to study atoms using the scientific method?
Dalton
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thief
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25
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rocket
Go to first place!
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fairy
Take points!
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25
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baam
Lose 5 points!
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seesaw
Swap points!
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star
Double points!
Okay!
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gift
Win 25 points!
Okay!
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lifesaver
Give 25 points!
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15
×
What is the electric charge of electrons?
negative charge
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15
×
Inside the nucleus of an atom, you will find ...?
neutrons and protons
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25
×
When an atom has more electrons than protons, it is called an ________
anion
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15
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Protons have the same mass as ...?
neutrons
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