HazMat and Cosmic Chemistry
Hazardous materials pose an ____________ risk to the health and safety of the public, first responders, the environment, or property
Unreasonable
Which of the three primary subatomic particle is found outside of the nucleus, has no mass, and a charge of -1?
Electron
Fission
Rutherford, Geiger, and Marsden discovered that the mass of an atom is concentrated in a small hard region called the nucleus. They made this discovery by firing alpha particles through a thin sheet of what metal?
Gold
What must you do immediately in the event of any laboratory accident?
Tell Mr. Cilley
What level of HazMat responders are trained to take offensive steps to stop active leaks, and are trained in the highest levels of PPE.
Technician
An atom with an unstable nucleus is said to be _________.
Radioactive
Hydrogen bombs are powered by ________
Fusion
The most accurate, and widely used model of the atom in chemistry today is the ______ model.
Quantum
When should you assume that a hot plate or Bunsen Burner is hot?
Always
What is the most abundant element in the universe?
Hydrogen
How many protons are in the nucleus of an argon atom?
18
After the detonation of a nuclear bomb, radioactive fallout will begin to accumulate on the ground after approximately how long?
15 minutes
How many electrons will fit in one orbital in the quantum model of the atom?
Two
What is the difference between being careless and an accident?
Following direction
HazMats that are ________ have either a very high or very low pH.
Corrosive
How many neutrons are in the nucleus of a mercury atom that has a mass of 200?
120
How long does waste from a nuclear powerplant remain acutely dangerous?
More than 100,000 years
The existence of the electron was discovered using what device?
Cathode ray tube
Name any scenario where you would need to wear safety goggles
Using chemicals other than water
Using heat or open flames
Using glassware
Any other time you are told to
Vehicles that are identified with an orange DOT placard are carrying what type of hazardous material?
Explosive
Au-196 undergoes radioactive decay and is converted into Pt-196. What type of decay is this?
Positron
What type of radiation is given off by fallout from a nuclear weapon?
Gamma
Which scientist used emission spectra to discover that electrons exist at discrete energy levels?
Bohr
When can you assume that an unknown chemical is not dangerous?
Never