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monster
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shark
Other team loses 10 points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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15
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How do you calculate the number of neutrons in an element?
Mass - Atomic Number = Neutrons
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15
×
How many elements in the following? RbNO3
3
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banana
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seesaw
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rocket
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lifesaver
Give 5 points!
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15
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What group contains the Noble Gases?
Group 18
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15
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How many valence electrons does one atom of Oxygen (O) contain?
Six (6)
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15
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In a neutral atom, the number of protons is _____ compared to the number of electrons.
In a neutral atom, the number of protons is equal to the number of electrons.
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15
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What are the substances on the left side of the chemical equation called?
Reactants
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15
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A neutral atom with 15 protons has ______ valence electrons.
Five (5)
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15
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Is the following an example of potential or kinetic energy: a book sitting on a shelf
Potential
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15
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A certain element has 12 neutrons and 11 protons. Assume this element has an overall neutral charge. What is the identity of this element?
Sodium (Na)
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15
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Atomic number is equal to the number of ________.
protons
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15
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Why do noble gases have such a low reactivity?
Their outer shells of their electron clouds are full.
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heart
Other team wins 20 points!
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gold
Win 50 points!
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shark
Other team loses 15 points!
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banana
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thief
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5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 5 points!
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banana
Go to last place!
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15
×
What are the three subatomic particles and their charges?
Proton: positive Neutron: neutral electron: negative
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