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15
×
That is the distribution of electrons in the 3rd level?
2 6 10
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25
×
When an atom has more electrons than protons, it is called an ________
anion
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15
×
What is the maximum number of electrons in the 4th level?
32
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monster
Reset all scores!
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magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
15
×
What can you find inside the atom, between the nucleus and the electrons? (in Rutherford's model)
nothing, that space is empty
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15
×
Rutherford's atomic model is usually known as ...?
the planetary model
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eraser
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
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lifesaver
Give 25 points!
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baam
Lose 15 points!
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seesaw
Swap points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
5
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25
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eraser
Reset score!
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fairy
Take points!
5
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25
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
5
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25
15
×
Did Dalton use the scientific method to study atoms?
Yes
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15
×
True or false: Isotopes can be stable and unstable.
True
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15
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True or false: Atoms X (Z=19 A=40) and Y (Z=20 A=40) are isotopes.
False
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20
×
Dalton believed that matter is made up of indivisible particles that cannot be _________
destroyed
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15
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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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20
×
Do neutrons have an electric charge?
no, they don't
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15
×
What is the electric charge of electrons?
negative charge
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×
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