Chemical Properties
What type of bond forms between Na and Cl?
Ionic Bond
What is NaCl an example of?
Salt
What type of structure was formed when we experimented with eggs and salt?
Crystal structures
What type of reaction occurred during our titration lab?
Neutralization!
What type of reaction occurred when making elephant toothpaste?
Decomposition
What is a molecule called when it is dissolved in water? Example: Na+ or Cl-
An Ion
What kind of test can help determine the cation (positively charge ion) in a compound?
Flame Test
How does a physical change differ from a chemical change?
There are no bonds broken or formed
Has a low pH and donates a proton.
Acid
What were the two products formed from this reaction?
Water and Oxygen gas!
What type of reaction was seen during the bunsen burner lab?
Combustion reaction
What color does Copper burn?
Blue/Green
What was Ty's costume on halloween?
An ostrich!
What color was the indicator supposed to turn in the experiment using the burette?
Pink!
What is used to speed up a chemical reaction?
A Catalyst
What was the first reaction we practiced in class?
Synthesis
What are the 2 things that react in a combustion reaction to create the flame in a Bunsen burner.
(hint: What is the Bunsen burner connected to? What happens to a fire if you put water on it?)
Oxygen and a Hydrocarbon (like natural gas, i.e. methane)
What happens when water freezes? How do the molecules react? Hint: do they slow down, speed up, or stay the same.
The molecules slow down
A proton (H+ ) acceptor.
Base
When mixing baking soda and vinegar, what were the three products produced? Bonus: how did we observe the formation of one of these products?
Carbon Dioxide, water, and salt!
We inflated balloons!
What types of bonds were formed during the slime lab?
Hydrogen bonds
Name 2 products of a combustion reaction (matter or energy)
Matter: Carbon Dioxide (CO2) and Water
Energy: Heat and light
What two things reacted when we developed finger prints? Hint: one item came from you, the other was an element.
What is the instrument used in a titration?
(hint: Start with a B)
Burette
What type of reaction were we expecting when we bit down on mints?
Hint: Begins with a C
Chemiluminescence