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Unit 10
Chemical Bonds
12
Science
8th Grade
04/10/2015

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Cards

Term
If gases combine together, the compound formed will also be a gas.
Definition
False
Term
A molecule, like water, is a single particle from an ionic bond.
Definition
False
Term
It is possible for two dangerous chemicals to combine to make a new chemical that is harmless.
Definition
True
Term
In which type of bond do atoms share electrons?
Definition
Covalent
Term
Why do atoms form bonds with other atoms?
Definition
To become more stable
Term
To make salt, Sodium and Chlorine combine by transferring electrons through and ionic bond.  Why are Sodium and Chlorine able to form this type of bond?
Definition
Sodium has one electron in its outer shell and Chlorine has seven.
Term
The covalent compound N2 O5 would be named?
Definition
dinitrogen pentoxide
Term
Losing an electron will give an atom what type of over all charge?
Definition
Positive
Term
When an atom gains or loses an electron it becomes a(n)...
Definition
ion
Term
Because Noble Gases have a full outer shell they...
Definition
will not combine with other atoms.
Term

How many total elements are combining in this formula?

 

NaHCO3

Definition
4
Term
Oxygen has 6 valence electrons.  When two oxygen atoms combine with each other a __________ bond is formed.
Definition
double
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