D & D
1900s Chemists
Safety First
Subatomic Stuff
Thanks Dmitri!
100
This man believed that all matter was made up of extremely small particles that could not be divided.
What is Democritus
100
Thomson was the first person to discover that atoms had _______.
What are electrons or smaller particles?
100
Your number one priority in the lab.
What is safety?
100
A positively charged particle.
What is a proton?
100
One of these things is not like the others: Ca, Fe, MG, Pb.
What is MG.
200
The Greek word atomos means this
What is uncut or indivisible?
200
Rutherford's main discovery.
What is the nucleus?
200
You would find this symbol on a substance that will harm wildlife if poured down the drain.
What is environmental hazard?
200
The nucleus is surrounded by these.
What are electrons?
200
This number is always smaller than the others.
What is atomic number?
300
True or False: (based on Dalton's theory) all atoms of the same element are exactly the same.
What is true?
300
Common object used as a name of Thomson's atomic theory
What is plum pudding or chocolate chip cookie?
300
WHMIS, but long.
What is Workplace Hazardous Materials Information System?
300
How to find the mass of any atom.
What is protons + neutrons?
300
The periodic table gives us all the information we need to calculate the number of these heavy, neutral particles.
What are neutrons?
400
These are the four elements that a Greek philosopher thought all matter was made of.
What is Earth, Fire, Water, Air
400
The name for the possible energies that an electron can have in Bohr's model.
What are energy levels?
400
What is Health Hazard?
400
In a neutral atoms, these two particles are found in equal amounts.
What are Protons and Electrons?
400
These represent patterns of properties found between elements.
What are groups or families?
500
The name for the 2000 year period with no advancements in chemistry.
The death of Chemistry.
500
The positively charged particles bounced back in Rutherford's experiment because they hit the _________.
What is postively charged nucleus.
500
Can eat through metal and your skin causing permanent damage.
What is a corrosive hazard?
500
Every atom of every element contains all three subatomic particles, except for one.
What is Hydrogen?
500
This atom has six neutrons, is a black solid at room temperature and is sometimes radioactive!
What is Carbon?