Show:
Reactions
Balance these equations
Mystery
Names
Early this year...
100
Chemical Reaction
What is a process that changes one substance into another?
100
Balance this: ___ H2O2 --> ___ H2O + ___ O2
What is _2_ H2O2 --> _2_ H2O + _1_ O2
100
Tastes sour!
What are acids?
100
magnesium sulfide
What is the name of the IONIC compound Mg3S2?
100
Fill in the blank with: an ION has a different number of ____________ which gives it a ______________!
What is: an electron and charge?
200
Clues that a chemical reaction has taken place.
What are fizzing, changing color, bubbling?
200
Balance this: ___ Zn + ___ HCl --> ___ ZnCl2 + ___ H2
What is _1_ Zn + _2_ HCl --> _1_ ZnCl2 + _1_ H2
200
All have 7 valence electrons.
What are the elements in the 7th column of the periodic table?
200
N3O2
What is correct formula for the COVALENT compound trinitrogen dioxide?
200
Share Valence Electrons
What is how do covalent bonds happen?
300
An Endothermic Reaction
What is a reaction that absorbs heat.
300
Balance this: __ RbCl + __MgSO4-→ __Rb2SO4+__MgCl2
BALANCED! _2_RbCl+ __MgSO4-→ __Rb2SO4+__MgCl2
300
Mg 3+
What is the ionic charge of Magnessium? or What is a Magnessium Ion.
300
dihydrogen monoxide
What is the COVALENT compound H2O called?
300
States that energy cannot be created or destroyed.
What is the Law of Conservation?
400
Gives more surface area and causes a reaction to speed up.
What is crushing a substance?
400
Sodium does this to become stable.
What is loses one valence electron?
400
Carbon dioxide
What is the name of the covalent bond CO2?
400
Coal is burned to boil water. AND Food is digested and used to keep your body warm
What is chemical energy converted to thermal energy?
500
Decomposition of Sugar
What was the extremely smelly chemical reaction we started the reaction unit out with showing?
500
Balance: __F2 +__ Al2O3 --> __ALF3 + __O2 Bonus: The use of this chemical compound.
Balanced! _6_F2 + _2_Al2O3 -->_4_ ALF3 +_3_ O2 Bonus: What is antireflective coating for mirrors in lasers?
500
29
What is Mrs. Boyer's age?
500
Sodium Chloride
What is the name of the Ionic Compound NaCl?
500
Conduction
What is how energy moves through a metal pan?