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Teams
Name
Score
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15
×
Why do atoms form compounds?
To become stable by gaining, loosing or sharing electrons
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15
×
Nitrogen is in group 15. How many covalent bonds can it form?
up to 3
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15
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Covalent bonds happen between METAL/NON-METAL and METAL/NON-METAL elements.
non-metal and non-metal elements
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boom
Lose 50 points!
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rocket
Go to first place!
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gift
Win 25 points!
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baam
Lose 20 points!
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15
×
What is the name of group 1 of the periodic table?
Alkali Metals
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20
×
Which atoms are stable? Why?
The Noble Gases (group 18) because they have a FULL valence shell.
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15
×
What type of bond will form between Na and F?
ionic
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15
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What do we call this compound? KF
potassium flouride
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15
×
Are all atoms stable?
No, most atoms are UNSTABLE
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15
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What do we call this compound? CaS
calcium sulphide
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trap
No points!
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shark
Other team loses 20 points!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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trap
No points!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
×
What is the name of group 17 of the periodic table?
Halogens
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15
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In covalent bonds, atoms GAIN/LOSE/SHARE electrons.
share
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15
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When a neutral atoms gains 1 electron, it becomes a POSITIVE/NEGATIVE ion?
negative
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15
×
The bond between atoms in an ionic bond is very WEAK/STRONG.
very STRONG
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