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5
×
Which numbers of an element are the same?
atomic number, protons, electrons
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5
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Number of neutrons in magnesium
12
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5
×
What is the atomic mass of chlorine rounded to the nearest whole number
35
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5
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What is the atom number of magnesium?
12
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5
×
What is the name of the element with the symbol Cl?
chlorine
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5
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number of electrons in chlorine
17
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5
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number of neutrons in chlorine
18
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10
×
What are the characteristics of nonmetals?
dull, poor conductors of electricity
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15
×
What is a synthetic element?
not made in nature; made in a lab
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10
×
What are the characteristics of metalloids?
metalloids have the characteristics of metals and nonmetals
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5
×
number of electrons in magnesium
12
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×
lifesaver
Give 10 points!
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gift
Win 25 points!
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gift
Win 25 points!
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lifesaver
Give 15 points!
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5
×
How dom you find the number of neutrons in an element?
subtract the atomic number from the atomic mass
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×
boom
Lose 50 points!
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×
shark
Other team loses 5 points!
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rocket
Go to first place!
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×
baam
Lose 15 points!
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5
×
number of protons in magnesium
12
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×
eraser
Reset score!
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×
magnet
Take 25 points!
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×
shark
Other team loses 20 points!
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×
baam
Lose 10 points!
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