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15
×
Why are the Halogens so reactive?
They are missing one electron from their outer shell.
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15
×
How many electrons can fit in an atom's first shell?
2
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15
×
Which element has the symbol C?
Carbon
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15
×
What is missing from the Rutherford model of the atom?
Protons and neutrons, electrons in shells
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15
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Which materials are good conductors [Metal / Non metal]
Metal
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15
×
How many electrons can fit in an atom's second shell?
8
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lifesaver
Give 10 points!
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shark
Other team loses 10 points!
Okay!
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fairy
Take points!
5
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15
20
25
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lifesaver
Give 10 points!
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15
×
Which separation technique could you use to separate salt and water, if you wanted to collect the water?
Distillation
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15
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Most of the alpha particles went straight through the gold atoms is the Rutherford experiment. what did that tell us about the atom?
An atom is mostly empty space
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15
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Which model of the atom is this?
Rutherford or Nuclear model of the atom
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15
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Which model of the atom is this?
Plum pudding
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15
×
Define a compound.
two or more elements chemically bonded together
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lifesaver
Give 20 points!
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fairy
Take points!
5
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15
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25
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shark
Other team loses 15 points!
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thief
Give points!
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25
15
×
What is the charge on a neutron?
0
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15
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What is the overall charge on an atom?
0
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eraser
Reset score!
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rocket
Go to first place!
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fairy
Take points!
5
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15
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25
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lifesaver
Give 25 points!
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×
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