Into to Chem
What is pure chemistry?
Greater understanding of the theories behind how matter is changing.
What are SI units?
International system of units
What is accuracy?
What is chemical change?
Changes the identity of the substance/makes new substance.
Alkali metals
What is applied chemistry?
Directed toward a specific goal or application
Mass- Kilograms
Length- Meter
Percent error= error/accepted value *100
What are the five indicators of chemical change?
Energy change
Odor change
color change
Bubbles
Precipitate
How many branches of chemistry are there?
Five Branches
What is mass?
Amount of material
How many steps are there to the scientific method?
There are 5 steps
If it does not make a new substance, it isnt a chemical change, what change is it?
A physical change
Where are the non-metals on the periodic table?
On the right side of the stair-step
Which can be seen, touched, and measured directly? (Macroscopic or Microscopic)
Macroscopic
What is volume?
Amount of space
What are some examples of physical properties?
Color
Harness
Malleability
Density
What does it mean for something to precipitate?
When we get a solid solution.
What are the block of the periodic table?
S block
D block
P block
F block
What are the five branches of chemistry?
Organic chemistry
Inorganic chemistry
Physical chemistry
Analytical chemistry
Biochemistry
What does Density equal?
Density= mass/volume
What are some examples of physical changes?
Melting
Boiling
Sanding wood
What is it when the substance bubbles?
Gas production
Where are metalloids located on the periodic table?