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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
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What is a chemical compound?
A substance formed by 2 or more atoms chemically joined together
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lifesaver
Give 10 points!
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rocket
Go to first place!
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×
shark
Other team loses 25 points!
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lifesaver
Give 15 points!
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15
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Why do atoms form compounds?
To become stable by gaining, loosing or sharing electrons
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15
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What is the name of group 1 of the periodic table?
Alkali Metals
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15
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What do we call this compound? KF
potassium flouride
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15
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Can covalent bonds form between 2 atoms of the SAME element?
Yes, for example CL-CL
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15
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Which group/family of elements is the most REACTIVE?
Group 17; they only need 1 electron to become stable
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15
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In ionic bonds, atoms GAIN/LOSE/SHARE electrons?
gain and lose
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15
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What type of bond will form between N and O?
covalent
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15
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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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boom
Lose 50 points!
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magnet
Take 20 points!
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rocket
Go to first place!
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thief
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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
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Ionic bonds happen betweem METAL/NON-METAL and METAL/NON-METAL elements.
metal and non-metal
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15
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An ionic bond is formed because of _________ attraction between an anion and a cation.
ELECTRICAL attraction
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lifesaver
Give 10 points!
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magnet
Take 25 points!
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shark
Other team loses 25 points!
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×
banana
Go to last place!
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