Ionic
What is a positive Ion called?
Cation
A covalent bond is made up of metals and nonmetals (T/F)
False
Can you change the subscripts of the equations?
No
What are four common types of chemical reactions?
Combination
Decomposition
Single displacement
Double displacement
What is the lewis dot for carbon?
.
.c.
.
What is the negative ion called?
Anion
Do covalent bonds share or transfer electrons?
Share
Are coefficients the only thing that you can change while balancing equations?
Yes
What is decomposition?
a single compound breaks down into two or more simpler substances (elements and/or compounds).
Can you determine how many valance electrons are in an atom from the lewis dot diagram?
Yes
What is the correct name for the formula NaCl?
Sodium Chloride
What is a double covalent bond? (Diagram and Description)
H - C = C - H
H- -H
Balance this: Na2O + 2 KCl → 2 NaCl + ____ K2O
2 Na 2
1 O 1
2 K 2
2 Cl 2
What is combustion?
Equation contains Carbon Hydrogen and Oxygen
Draw the helium lewis dot?
He:
What is the name for Ca(SO4)?
Calcium Sulphate
What are other names for unshared pairs?
Lone Pairs, Nonbonding
Balance this: ____ MgF2 + ____ Li2S → ____ MgS + 2 LiF
1 Mg 1
2 F 2
2 Li 2
1 S 1
What is Single Replacement?
In single displacement reactions, a more active element displaces another less active element from a compound.
What makes the helium lewis dot different from the lewis dot diagrams from family two.
Helium has a full outer ring, making it balanced.
“In an ionic compound, valence electrons get transferred from the nonmetal to the metal” (T/F)
False
A covalent bond contains carbon and four chlorines, how many lone pairs would there be?
Zero
What type of bonds are present in H4C?
Single
What is double replacement?
In double displacement reactions two ions are replaced.
What do the dots in the lewis dot represent?
valence electrons