Chemistry History

Multiple Choice

The following safety equipment is used when......

• any time you need to wash your face

• when your eyes have been exposed to chemicals

• any time your vision is blurry and you feel sleepy

• to get water because the faucets are not working

Multiple Choice

Q. 

Which safety equipment would be appropriate to use when you spill an unknown chemical on your clothing or skin?

Multiple Choice

What should you do if you break glass in the lab?

• Sweep up the glass.

• Tell the teacher.

• Pick up the glass with your hands.

• Ignore it; the teacher will clean it up when she sees it later.

Multiple Choice

Part of lab safety includes reading the lab procedure...

• only if you think you really need it

• while doing the lab

• after doing the lab

• before doing the lab

Multiple Choice

 

Long hair in the lab must be...

• Cut shorter

• Held away from the experiment with your free hand

• Neatly groomed

• Tied back to be kept out of the way

Multiple Choice

_{What is the hazard shown in this hazard sign?}

• Camp Fire

• Goku

• Flammable

• Inflammable

Multiple Choice

_{What is the hazard shown in this hazard sign?}

• Fireworks

• Broken Glass

• Explosive

• Corrosive

Multiple Choice

_{What is the hazard shown in this hazard sign?}

• Corrosive

• Irritant

• Caution

• Danger

Multiple Choice

_{What is the hazard shown in this hazard sign?}

• Death

• Pirates

• Corrosive

• Toxic

The Quantam Mechanical Model of an atom was proposed by Erwin Schrodinger in 1926.1926. He developed an atomic model taking into account both the wave and particle nature of the electron, which is known as the quantum mechanical model of the atom.

​The latest:

​Erwin Schrodinger

Multiple Choice

What was the name given to John Dalton's atomic model?

• basketball

• billiard ball

• football

• cue ball

Multiple Choice

 

This picture best represents ___________________ atomic model.

• Thomson's

• Dalton's

• Bohr's

• Chadwick's

Multiple Choice

Proposed that electrons move around the nucleus in specific layers, or shells.

• Bohr

• Rutherford

• Chadwick

• Thomson

Multiple Choice

Bohr's model of the atom was called

• Plum Pudding

• Billiard Ball

• Nuclear Model

• Planetary Model

Multiple Choice

Who developed the Quantum Mechanical Model?

• Erwin Schrodinger

• Ernest Rutherford

• James Chadwick

• Joseph Thomson

Open Ended

Do you have any difficulties in Chemistry-during HLP? What are they?