Show:
Chemistry is FUNdamental
What's the Matter?
Periodic Panic
"Compelling Numbers"
Safety First!
100
Organic chemistry is the study of what kind of compounds?
Carbon based
100
Name the four states of matter.
Solid, liquid, gas, plasma
100
Define element.
Pure chemical substance consisting of one type of atom.
100
How many significant figures 4000.?
4
100
What kind of footwear is best to wear in the laboratory?
Closed toe shoes
200
This bag of beach sand is an example of what kind of mixture?
Homogeneous
200
Which state has a definite volume and definite shape?
Solid
200
What is the atomic number of oxygen?
8
200
How many significant figures 93000000.0?
9
200
How do you pick up a piece of heated glass, besides "very carefully"?
With tongs
300
Define Atom.
Smallest unit of an element that maintains the properties of that element. or Basic building block of matter.
300
Light bulbs contain what state of matter?
Plasma
300
Which group has the most reactive elements?
Group 1: H, Li, Na, K, Rb, Cs, Fr
300
How many significant figures 1.30?
3
300
When do you wear eye protection devices (goggles)?
Any time chemicals, heat or glassware are used.
400
Define Chemistry.
Study of composition, structure and properties of matter and the changes it undergoes.
400
What is the process of going from solid to gas called?
Sublimation
400
Which element has a larger radius, Beryllium (Be) or Calcium (Ca)?
Calcium, radius increases from top to bottom within a group.
400
Calculate the answer to the appropriate number of significant figures. 16 + 1.7 =
18
400
If a lab fire erupts, what are you to do immediately?
Notify the instructor.
500
What does this picture represent in terms of accuracy and precision?
Low accuracy, high precision
500
Give an example of an extensive property of matter.
Volume, Mass, Amount of energy
500
Which groups are the transition metals?
Groups 3-12
500
Calculate the answer to the appropriate number of significant figures 2.55 x 1.5 =
3.8
500
What should you do if you wear contact lenses in the school laboratory?
Take them out before starting the lab