Team 1
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Team 2
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Teams
Name
Score
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heart
Other team wins 25 points!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 25 points!
Oops!
15
×
12-Locate the position of 20Ca in the modern periodic table Mg ( 2, 8,8, 2 )
period 4 - group 2
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Check
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Check
15
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11-The chemical symbol of magnesium is ....................
Mg
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15
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9-Number of neutrons is equal to mass no. - atomic no.
True
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15
×
2. How many electrons are in an atom of carbon (C)? (Remember : Atomic Number = no. of Protons or no. of Electrons)
6
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15
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17-The nucleus is positively charged because it has...
positive protons and Neutrons (no charge)
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15
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6-The dense, positively charged mass located in the center of the atom.
nucleus
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heart
Other team wins 15 points!
Oops!
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rocket
Go to first place!
Okay!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 15 points!
Oops!
15
×
5. What is the mass number of aluminum (Al)?
27
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15
×
4. Atoms of the same element must always have the same number of _________
protons
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thief
Give points!
5
10
15
20
25
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gold
Win 50 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 15 points!
Oops!
15
×
7-The _________ equals the number of protons in an atom of that element
atomic number
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15
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18-..................Shows an element's chemical symbol, atomic number, atomic mass and symbol for state of matter at room
element key
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15
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10-Where are electrons found in an atom?
in the energy levels
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15
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3- How many neutrons are in an atom of sodium (Na)? (Remember : Neutrons no. = Mass no. - Atomic no. )
23 - 11 = 12
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15
×
15-What is the electron configuration of nitrogen ..........
2,5
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×
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