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Team 2
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Teams
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15
×
Why do atoms form compounds?
To become stable by gaining, loosing or sharing electrons
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banana
Go to last place!
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fairy
Take points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
×
Nitrogen is in group 15. How many covalent bonds can it form?
up to 3
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25
×
In covalent bonds atoms share electrons. To do this, atoms ________ (verb) their valence shells.
overlap
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15
×
In covalent bonds, atoms share electrons from WHICH shell?
valence shell or the outer shell
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15
×
What are the 3 types of chemical bonds?
Ionic bonds, covalent bonds and metallic bonds
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heart
Other team wins 20 points!
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shark
Other team loses 25 points!
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shark
Other team loses 5 points!
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baam
Lose 25 points!
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15
×
What type of bond will form between N and O?
covalent
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heart
Other team wins 20 points!
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star
Double points!
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shark
Other team loses 10 points!
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baam
Lose 10 points!
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15
×
What is the name of group 17 of the periodic table?
Halogens
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15
×
What type of bond will form between Br and I?
covalent
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15
×
What is a chemical compound?
A substance formed by 2 or more atoms chemically joined together
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15
×
Covalent bonds happen between METAL/NON-METAL and METAL/NON-METAL elements.
non-metal and non-metal elements
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15
×
When a neutral atoms gains 1 electron, it becomes a NEGATIVE ion. WHY?
Because now it has more electrons that protons
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15
×
Why do ionic bonds have high melting and boiling points?
Because these is a strong bond between their ions
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15
×
When a neutral atoms gains 1 electron, it becomes a POSITIVE/NEGATIVE ion?
negative
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