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20
×
An atom has 25 protons and 30 neutrons. What is its atomic number?
25
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25
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What is this chart called?
the periodic table of the elements
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20
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An atom has 50 protons and 69 neutrons. What is its atomic number?
119
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15
×
Which side of the periodic table contains higher atomic number, top or bottom?
bottom
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10
×
What is the symbol number for this element?
Br
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15
×
An atom has 50 protons and 69 neutrons. What is its atomic number?
50
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15
×
What is the atomic number of the element with atoms containing 6 protons, 7 neutrons, and 6 electrons?
Atomic Number = 6
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25
×
The nucleus of an atom contains ___.
protons and neutrons
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25
×
What information is given by a periodic table of the elements? Give at least two answers.
atomic number, atomic mass, element name, element symbol
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heart
Other team wins 25 points!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 15 points!
Oops!
15
×
An atom has 1 proton and 1 electron. What is its mass number?
1
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10
×
How many protons does element with atomic number 59 have?
59
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heart
Other team wins 10 points!
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magnet
Take 10 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
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seesaw
Swap points!
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seesaw
Swap points!
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rocket
Go to first place!
Okay!
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thief
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5
10
15
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25
15
×
Atomic number is the number of ___ contains in the atoms of an element.
protons
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×
lifesaver
Give 25 points!
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gift
Win 20 points!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 20 points!
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×
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