Reactions
Bonding
Acids and Bases
Atomic Theory
Lab Equipment
200
There are 4 indicators of a chemical reaction, for each one you successfully identify you will earn 200 points.
Colour Change
Formation of a Gas (bubbling)
Formation of a Solid (precipitate)
Energy Change (light or heat)
200
Why do elements bond with one another?
For increased stability
200
HCl, H2SO4 and vinegar are all examples of...
Acids
200
These pictures are all examples of...
Bohr Rutherford Diagrams
200
What is this tool?
Scoopula
400
This law of the universe states the matter can neither be created nor destroyed and is the reason we balance chemical equations.
Law of Conservation of Mass
400
When a metal loses its electrons to a non-metal it is known as...
Ionic Bonding
400
In your household, what type of chemicals are primarily bases?
Cleaning products
400
How many electrons are allowed to be on the 2nd and 3rd rings of a Bohr-Rutherford Diagram?
8 on each
400
When operating a Bunsen burner, where is the hottest part of the flame?
Tip of the inner blue cone.
600
X H2 + O2 --> 2 H2O
What number must be replace X?
2
600
When 2 non metals share their electrons it is known as...
Covalent bonding
600
What do acids taste like?
Sour
600
The following are examples of...
Lewis diagrams
600
What tool should be used to measure a specific amount of water?
Graduated cylinder
800
What are the numbers necessary to balance with equation?
W MgCl2 + X LiF --> Y MgF2 + Z LiCl
W = 1
X = 2
Y = 1
Z = 2
800
These special types of electrons are the ones lost or shared during bonding...
Valence Electrons
800
If experiencing an acid burn, what standard household chemical should you use to stop the burn?
Baking soda
800
The dots on a Lewis Diagram represent what.
Valence Electrons
800
The proper way to test the odor of a chemical is known as...
Wafting
1000
What are the 5 basic types of reactions? 200 points for each correctly named.
Synthesis
Decomposition
Single Displacement
Double Displacement
Combustion
1000
Sulphate (SO4-2) Phosphate (PO4-3) Nitrate (NO3-1) and Hydroxide (OH-) are all known as polyatomic ___________...
Ions
1000
When an acid mixes with a base, what type of reaction occurs and what is always created?
Neutralization always creates water
1000
What is the simplest way to figure out the amount of valence electrons on an atom without drawing a B-R diagram.
Valence electrons correspond to the column the element is in.. 1st column = 1 electron, 2nd column = 2 electrons.. skip the transition metals
1000
What is the full name of this tool?
Erlenmeyer Flask