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15
×
What information does the periodic table provide about elements?
Atomic mass, atomic number, and chemical symbols
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15
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The atomic number of an atom is determined by the number of protons in its nucleus.
True
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15
×
In a solid, atoms are tightly packed and can only vibrate in place.
True
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15
×
What is the basic unit of matter?
atom
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15
×
Which of the following describes an isotope?
An atom with a different number of neutrons than protons
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15
×
Electrons are negatively charged particles found inside the nucleus of an atom.
False (do you see why?)
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15
×
Which of the following best describes a neutron?
A particle with no charge
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trap
No points!
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seesaw
Swap points!
Okay!
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shark
Other team loses 25 points!
Okay!
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banana
Go to last place!
Oops!
15
×
What is one key indicator of a chemical change?
Formation of a new substance (e.g., production of gas, color change, formation of a precipitate).
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15
×
An element is a substance that can be broken down into simpler substances by chemical means.
False
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15
×
How does electron configuration help determine an element's chemical behavior?
Electron configuration determines how atoms interact and bond with other atoms, affecting their chemical properties.
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trap
No points!
Oops!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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15
20
25
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trap
No points!
Oops!
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shark
Other team loses 5 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 25 points!
Oops!
15
×
Which of the following best defines a molecule?
A group of atoms bonded together
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15
×
What is the charge of a proton?
Positive (+)
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baam
Lose 5 points!
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star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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×
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