Chemistry
What is the first element on the periodic table?
Hydrogen
Name one lab rule
Tie hair back, no food or drinks, don’t taste or sniff, wear gloves
What does density mean?
How many particles are in a space
What are the 3 subatomic particles?
Electrons, Protons and Neutrons
How long is the earths orbital period?
365 days
Qualitative vs Quantitative
Qualitative describes qualities, Quantitative is a measurement
What does biohazardous mean?
Infectious material
What are the 3 measurements involved?
Mass, Volume and Density
Name a conductor and Insulator
Conductors: copper, aluminium, iron, most metals Insulators: rubber, wood, plastic, pure water
What is the 4th planet from the sun?
Mars
What do most of the elements on the periodic table consist of?
Metals
What does oxidization mean?
Chemically reacting to oxygen
What is the density of water?
1 g/ml
What is the Law of electric charges?
Objects with like charges repel each other, objects with opposite charges attract each other, charged objects attract some neutral objects
What planet is also known as an ice giant?
Uranus
Is this statement a Qualitative or Quantitative observation: There are 8 billion people in the world
Quantitative
Meaning of corrosive
Causing damage by corroding or eating away a substance
What are the 3 formulas to solve for each?
D = m/v M = d x v V = m/d
How many lines are in a 4 cell battery?
8
What planet is in between Jupiter and Uranus?
Saturn
What is the process of a solid becoming a gas?
Sublimation
What does WHMIS stand for?
Workplace, Hazardous, Material, Information, System
A block of metal has a volume of 15ml and weighs 40.5g. What is the density of the metal?
D = 2.7g/ml
At what point does electric current become dangerous?
0.006 A
How long is a day on Jupiter?
9.93 hours