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15
×
An element has 36 protons, 36 electrons, and a mass of 84. How many neutrons does it have?
48
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trap
No points!
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fairy
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25
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shark
Other team loses 5 points!
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banana
Go to last place!
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5
×
Proton's charge
positive
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5
×
Electron's Charge
negative
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25
×
Describe the reactivity of this atom-how do you know?
Stable-it has 2 valence electrons-it's outer shell is full
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5
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Proton's Location
Nucleus
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20
×
What is the overall electrical charge of the nucleus in this atom?
+8
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monster
Reset all scores!
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rocket
Go to first place!
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gift
Win 15 points!
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thief
Give points!
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25
20
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What's the difference in the number of electrons in Selenium (Se) and Aluminum (Al)?
21
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25
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How many protons, neutrons, and electrons are found in Halfnium (Hf) with a mass of 178? (do not total, list each one out)
72 protons, 106 neutrons, 72 electrons
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15
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The smallest particle of an element is called
Atom
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20
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How many valence electrons does this have?
2
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baam
Lose 25 points!
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rocket
Go to first place!
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rocket
Go to first place!
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baam
Lose 5 points!
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20
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Describe the reactivity of this atom-how do you know?
Stable, non-reactive-bonus points for INERT-it has 8 valence electrons
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15
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What element is this?
Magnesium
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eraser
Reset score!
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shark
Other team loses 25 points!
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gift
Win 15 points!
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baam
Lose 20 points!
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×
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